US1787406A - Fountain pen - Google Patents
Fountain pen Download PDFInfo
- Publication number
- US1787406A US1787406A US128735A US12873526A US1787406A US 1787406 A US1787406 A US 1787406A US 128735 A US128735 A US 128735A US 12873526 A US12873526 A US 12873526A US 1787406 A US1787406 A US 1787406A
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- Prior art keywords
- pen
- section
- fountain
- feed bar
- pen section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
- B43K5/18—Arrangements for feeding the ink to the nibs
Definitions
- This invention pertains to fountain pens having parts which may be interchanged without disturbance of the accurate relationing of the several parts.
- Une of the objects of this invention is to provide an interchangeable pen section which may be so standardized in manufacturing as to be readily fitted into any of a large number of fountain pens.
- Another object of this invention is to provide a pen section having a pen irremovably and firmly secured therein.
- Another object of this invention is to provide a pen section having an irremovably secured pen and a feed bar which may be easily removed or inserted, together with means to aid the withdrawal of such a feed bar or its insertion and accurate-positioning in the pen section.
- Another object of this invention is to provide means whereby this pen section may be easily assembled in leak proof communication with a fountain pen barrel.
- Another object of this invention is to make provision whereby a removable ⁇ ink reservoir may be easily removed from a fountain pen barrel without the use of special tools and without dangerA of damage to the fountain pen and any of its parts.
- Another object of this invention is to provide a fountain pen in which a pen may be firmly secured in sucha manner as to make possible the use of a smaller amount of material, such as metallic material in a metallic pen, than has hitherto been possible in pens which are satisfactorily constructed.
- Fig. 1 is a longitudinal view of alpen with a portion in central 1ongitudinal section illustrating an embodiment of this invention.
- Fig. 2 is a transverse sectional view taken on the line 2--2 of Fig. 1.
- Fig. 3 is a longitudinal central sectional view of a retaining sleeve adapted to receive an ink reservoir 0n one end and into the other end of which may be screwed a pen section, such as the pen section illustrated in Fig. 5.
- Fig. 4 is a transverse sectional'view taken on the line 4-4 of Fig. l.
- Fig. 5 is an elevation of the pen section and a portion shown in longitudinal central cross section.
- Fig. 6 is a sectional view taken on the line 6 6 of Fig. 5 illustrating in particular the aperture provided in the pen.
- Fig. 7 is a side elevation of thefeed bar which is adapted to be inserted into the pen section shown in Fig. 5. This view is shown on a reduced scale.
- Fig. 8 is likewise on a reduced scale showing the bottom view of the feed bar.
- Fig. 9 is a side elevation with the outer end broken away, of a modified form of the feed bar.
- the fountain pen barrel is indicated generally as l and is provided with external threads 2 for the attachment in the usual manner of a fountain pen cap which is ⁇ not shown.
- a sleeve 3 is adapted to receive on one of its ends an ink reservoir 4 and is provided with a reduced portion 5 which is adapted to snugly fit inside of thefountain pen barrel. This sleeve may or may not be provided, as desired.
- Internal threads 6 are provided near one end of this sleeve and are adapted to cooperate with external threads 7 on the pen section.
- An enlarged portion may be provided on the pen section and may have a pluralit of faces 11 which will aid in t-he rotation o the pen section by means of the fingers or an ordinary Wrench or othery instruments.
- 'lhese faces may be as illustrated having a symmetrical design or may be of some other desired useful and ornamental shape.
- a pen generally indicated as 12 may be provided with an aperture 13 of the'shape illustrated or of some other desired shape and it is contemplated that this pen will be seated in the pen section in the manner shown by the sectional view of Fig. 4, whereby the lower interior surface of the pen cooperates with the interior of t-he pen section to form a continuous and smooth circle which adapts itself to the snug fitting of a feed bar and the easy insertion or withdrawal of that feed bar from the pen section. Hitherto it has been a, practice in the art to clamp a en into a pen section by means of fitting a eed bar tightly intothe opening of the pen section in such a way as to hold the pen by friction.
- the interior surface of the pen section is softened in some manner, as by heat or as by a solvent, and the pen is carefully placed in the proper position and pressed into the surface of the section to the depth illustrated in Fig. 4.
- the material on the inner surface of the pen section opposite the aperture 13 will not be compressed and will engage the edges of this aperture at every point thereof.
- the tongues 14 provided along the edge of this aperture may be pressed into the interior surface of the pen section even more deeply or in such a manner as to be partially or wholly covered by the material. In this manner, after the pen section material has become hardened a firm union is formed between the pen section and the pen and the pen will thereafter be held firmly and permanently in the position'in which it was accurately adjusted at the factory.
- the pen section now retaining the pen securely in position and Vhaving a smooth cylindrical bore may be provided with a feed bar having a correspondingly smooth cylindrical exterior of the correct diameter and which may be slid into the pen section.
- a feed bar having a correspondingly smooth cylindrical exterior of the correct diameter and which may be slid into the pen section.
- the feed bar generally indicated as 15 may be provided with a groove 16, or grooves on its upper surface for carrying the ink alon the under surface of the pen.
- nk retaimng c annels 17 may be provided on the side of the feed bar if desired.
- a reduced portion 18 is provided on the feed bar which is adapted to cooperate with a raised portion 19 on the interior surface of the. pen section. It will be seen by reference to Fig. 2 that the feed bar cannot be revolved within the pen section and must always be inserted in the correct position.
- a groove 20 is provided in the lower portion of the feed bar, into which groove may be inserted an instrument such as a coin.
- an instrument such as a coin.
- the same instrument may be used and as the feed bar enters the pen section the instrument which is seated in the groove 2() will eventually come to rest against the face 21 on the enlarged portion 10 of the pen section.
- the user of a fountain pen is enable to withdraw the feed bar easily and frequently for cleaning and is assured that his insertion of the feed bar will always result in its accurate positioning in relation to the penand pen section.
- the pen section unit carrying the irremovable pen may be standardized and adapted to fit into any of a large number of fountain pens. Consequently a dealer in pens need not carry a large assortment of complete fountain pens in order to meet the demands of his customers. Inasmuch as the taste in fountain pen nibs varies greatly among users, a dealer will find it necessary to carry ⁇ only a reasonable amount of complete pens and may then meet the whims of a client by having an assortment of pen section units such as are illustrated in Figs. 5 and 6. This should enable him to carry a stock of less value and he may thus serve his clientele more elciently.
- this invention makes it possible to reduce the total weight of metal required in the pen in order to provide a firm and satisfactory positioning of the pen in the pen-section.
- a pen need not be inserted as far into the pen section as is ordinarily required with other fountain pens, and furthermore when 4an aperture such as the aperture 13 is cut in the pen without weakening the grip of the pen section on the pen and in fact aiding it, it is evident that a great saving of precious metal is effected.
- the modified feed bar 22, as shown in Fig. 9, may be employed as desired in place of the feed bar illustrated in Figs. 7 and 8.
- this modified feed bar having the tapers illustrated, or any other suitable tapers, it is evident that the interior of the pen section will accordingly hemodified to conform.
- the tapered surface may be so designed as to prevent, in conjunction with the interior of the pen section, the rotation of the feed bar.
- the front end of the feed bar may be tapered as illustrated in profile in Fig. 7 to conform to the nib.
- a removable pen section unit comprising a pen section, a pen irremovably secured thereto, and a feed member detachably positioned in said section and means associated with said member for eecting the easy Withdrawal of said member from said section.
- a removable pen section unit comprising a pen section, a pen irremovably secured thereto, a feed member, and means associated with said member for effecting the sliding positioning of said member in said section, said means being further adapted to effect the easy withdrawal of said member from said section.
- a pen section unit comprising a pen section, a pen irremovably secured thereto, and a feed member slidingly positioned in said section and means associated with said member for effecting the easy Withdrawal of said member from said section.
- a pen section unit comprising a pen section, a pen irremovably secured thereto, a feed member, and means associated with said member for effecting the sliding positioning of said member in said section, said means' being further adapted to effect the easy Withdrawal of said member from said section.
- a fountain pen a barrel, a pen section having means including a non-circular shoulder for engaging said section with said barrel, a removable feed member engageable with said section, and means on said member cooperative with said shoulder for positioning said member in operative relation to said section and for effecting the easy Withdrawal of said member from the barrel.
- the method of assembling a fountain pen comprising in part forming a generally cylindrical pen section provided with a noncircular shoulder at one end thereof, rotating the section by means of said shoulder into removable engagement with the barrel of the pen, and slidably inserting a feed member into the pen section by means of an instrument placed in a recess in the feed member, the recess, the instrument and said shoulder cooperating to establish the longitudinal operative position of the feed member.
- a fountain pen the combination of a pen section, a pen irremovably secured thereto, and a feed member removably secured to the pen section.
- a fountain pen the combination of a pen section, a pen irremovably secured thereto, a f eed member removably secured preventing rotation of said to the pen section and means for preventing rotation ⁇ of the feed member in the pen section.
- a pen section a pen secured thereto, Va grooved feed bar, means -for determining the longitudinal position of said feed bar in said pen section and means for positioning the grooves of the feed bar under the longitudinal center of the center line of the pen.
- a pen section In a fountain pen, a pen section, a pen secured thereto, a grooved feed bar, and means for positioning the grooves of the feed bar under the longitudinal center line of the pen.
- a removable feed member in a fountain pen, a removable feed member, and a groove on said member having a side cooperative with an end of said pen for longitudinally positioning said membei' in the pen and for effecting the easy withdrawal of said member from the pen.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pens And Brushes (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Description
Dec 30 1930 D. D. MUNGEN ET AL FOUNTA IN PEN Filed Aug. l2, 1926 Patented Dec. 30, 1930 l UNITED STATES .PATENT OFFICE DONALD D. MUNGEN AND ROBERT BACK, OF CHICAGO, ILLINOIS, ASSIGNORS '1.0 THE WAHL COMFANY, 0F CHICAGO, ILLINOIS, A CORPORATION OF DELAWARE FOUNTAIN PEN Application filed August 12, 1926. Serial No. 128,735.
This invention pertains to fountain pens having parts which may be interchanged without disturbance of the accurate relationing of the several parts.
Une of the objects of this invention is to provide an interchangeable pen section which may be so standardized in manufacturing as to be readily fitted into any of a large number of fountain pens.
Another object of this invention is to provide a pen section having a pen irremovably and firmly secured therein.
Another object of this invention is to provide a pen section having an irremovably secured pen and a feed bar which may be easily removed or inserted, together with means to aid the withdrawal of such a feed bar or its insertion and accurate-positioning in the pen section. l
Another object of this invention is to provide means whereby this pen section may be easily assembled in leak proof communication with a fountain pen barrel.
Another object of this invention is to make provision whereby a removable` ink reservoir may be easily removed from a fountain pen barrel without the use of special tools and without dangerA of damage to the fountain pen and any of its parts.
Another object of this invention is to provide a fountain pen in which a pen may be firmly secured in sucha manner as to make possible the use of a smaller amount of material, such as metallic material in a metallic pen, than has hitherto been possible in pens which are satisfactorily constructed.
. Further objects, advantages and capabilitieswill later appear and are inherently possessed by this invention.
Our invention further resides in the combination, construction and arrangement of parts illustrated in the accompanying drawings, and, while we have shown therein a preferred embodiment, we wish' it understood that the same is susceptible of modification and change without departing from the `sp'iritfof our invention.
In the drawings, Fig. 1 is a longitudinal view of alpen with a portion in central 1ongitudinal section illustrating an embodiment of this invention.
Fig. 2 is a transverse sectional view taken on the line 2--2 of Fig. 1.
Fig. 3 is a longitudinal central sectional view of a retaining sleeve adapted to receive an ink reservoir 0n one end and into the other end of which may be screwed a pen section, such as the pen section illustrated in Fig. 5.
Fig. 4 is a transverse sectional'view taken on the line 4-4 of Fig. l.
Fig. 5 is an elevation of the pen section and a portion shown in longitudinal central cross section.
Fig. 6 is a sectional view taken on the line 6 6 of Fig. 5 illustrating in particular the aperture provided in the pen.
Fig. 7 is a side elevation of thefeed bar which is adapted to be inserted into the pen section shown in Fig. 5. This view is shown on a reduced scale.
Fig. 8 is likewise on a reduced scale showing the bottom view of the feed bar.
Fig. 9 is a side elevation with the outer end broken away, of a modified form of the feed bar.
Referring now in greater detail to the drawings, the fountain pen barrel is indicated generally as l and is provided with external threads 2 for the attachment in the usual manner of a fountain pen cap which is `not shown. A sleeve 3 is adapted to receive on one of its ends an ink reservoir 4 and is provided with a reduced portion 5 which is adapted to snugly fit inside of thefountain pen barrel. This sleeve may or may not be provided, as desired. Internal threads 6 are provided near one end of this sleeve and are adapted to cooperate with external threads 7 on the pen section. Other means maybe employed for suit-ably engaging the pen section with this sleeve.n If the sleeve is omitted entirely it is apparent that the pen section may be secured directly to the fountain pen barrel. A seat 8 is provided on the sleeve against which the tapered shoulder 9 may be seated when the pen section is screwed into this sleeve. In this manner a tight and leak proof joint is provided.
An enlarged portion may be provided on the pen section and may have a pluralit of faces 11 which will aid in t-he rotation o the pen section by means of the fingers or an ordinary Wrench or othery instruments. 'lhese faces may be as illustrated having a symmetrical design or may be of some other desired useful and ornamental shape.
A pen generally indicated as 12 may be provided with an aperture 13 of the'shape illustrated or of some other desired shape and it is contemplated that this pen will be seated in the pen section in the manner shown by the sectional view of Fig. 4, whereby the lower interior surface of the pen cooperates with the interior of t-he pen section to form a continuous and smooth circle which adapts itself to the snug fitting of a feed bar and the easy insertion or withdrawal of that feed bar from the pen section. Hitherto it has been a, practice in the art to clamp a en into a pen section by means of fitting a eed bar tightly intothe opening of the pen section in such a way as to hold the pen by friction. This has resulted generally in a distortion of the pen section, in unsatisfactory and inaccurate fitting and relationing of the pen section, the pen and the feed bar, and has resulted in leaving apertures alongside the lower edges of the pen, in which apertures dust may readily accumulate to the detriment of the pen. Further disadvantages of the old style of fitting pens, feed bars and pen sections together need not be recited here.
When placing the pen in the pen section, the interior surface of the pen section is softened in some manner, as by heat or as by a solvent, and the pen is carefully placed in the proper position and pressed into the surface of the section to the depth illustrated in Fig. 4. Referring to Fig. 6,'it will be evident that the material on the inner surface of the pen section opposite the aperture 13 will not be compressed and will engage the edges of this aperture at every point thereof. The tongues 14 provided along the edge of this aperture may be pressed into the interior surface of the pen section even more deeply or in such a manner as to be partially or wholly covered by the material. In this manner, after the pen section material has become hardened a firm union is formed between the pen section and the pen and the pen will thereafter be held firmly and permanently in the position'in which it was accurately adjusted at the factory.
It is evident that the pen section now retaining the pen securely in position and Vhaving a smooth cylindrical bore may be provided with a feed bar having a correspondingly smooth cylindrical exterior of the correct diameter and which may be slid into the pen section. In this mannerl a proper relation between the pen and the feed bar will always be maintained, the pen originally having been correctly and expertl fixed in the pen section at the factory. o matter how many times the feed bar may be removed by unskilled persons for cleaning purposes, it is apparent that itcan be reinserted in the pen section in none but the correct manner.
The feed bar generally indicated as 15 may be provided with a groove 16, or grooves on its upper surface for carrying the ink alon the under surface of the pen. nk retaimng c annels 17 may be provided on the side of the feed bar if desired. In order that the grooves 16 will always be accurately positioned under the longitudinal center line of the pen, a reduced portion 18 is provided on the feed bar which is adapted to cooperate with a raised portion 19 on the interior surface of the. pen section. It will be seen by reference to Fig. 2 that the feed bar cannot be revolved within the pen section and must always be inserted in the correct position.
In order that the feed bar may be readily inserted or withdrawn, a groove 20 is provided in the lower portion of the feed bar, into which groove may be inserted an instrument such as a coin. When force is exerted longitudinally the feed bar, which has a snug fit within the pen section, will readily be withdrawn. Upon insertion of the feed bar the same instrument may be used and as the feed bar enters the pen section the instrument which is seated in the groove 2() will eventually come to rest against the face 21 on the enlarged portion 10 of the pen section. In this manner provision is made whereby the feed bar will be inserted only to the proper extent, yet without requiring any expert knowledge of the particular fountain pen on the part of the person who may be inserting the feed bar. As a conse uence, the user of a fountain pen is enable to withdraw the feed bar easily and frequently for cleaning and is assured that his insertion of the feed bar will always result in its accurate positioning in relation to the penand pen section.
Other means than the groove 2O may be employed in order to effect the withdrawal or positioning of the feed bar. Likewise, an aperture of different shape than the one illustrated may be used in securing the pen into the interior surface of the pen section and, if desired, other means than those which contemplate the use of apertures in the pen itself. In the present instance pyralin has been found to be very satisfactory as the material from which to make the pen section. while other material such as hard rubber or any suitable material may be so employed.
There are several advantages arising out of the use of the special shoulder 10 provided on the pen section. Not only is this enlarged portion 10 found to be ornamental, but it is also of assistance in screwing the pen section into the sleeve 3 and unscrewing this part.
Further, it is of great aid in helping toremove the sleeve 3 and its attached ink reservoir from the fountain barrel. The fit of the sleeve 3 in the barrel is quite snug and it is found that if a force is applied to the shoulder 10 in a clockwise direction, such as will screw the pen section into the sleeve, when the tapered portion 9 has become firmly seated against the tapered seat 8 of the sleeve, further rotation of the enlarged shoulder l() will cause the sleeve to rotate in the barrel and hence will free the sleeve from stickin within the barrel. This latter feature is o great practical importance. A slight outward pull then exerted as the shoulder 10 is rotated Willsuffice to extract the sleeve from the fountain pen barrel.
The pen section unit carrying the irremovable pen may be standardized and adapted to fit into any of a large number of fountain pens. Consequently a dealer in pens need not carry a large assortment of complete fountain pens in order to meet the demands of his customers. Inasmuch as the taste in fountain pen nibs varies greatly among users, a dealer will find it necessary to carry` only a reasonable amount of complete pens and may then meet the whims of a client by having an assortment of pen section units such as are illustrated in Figs. 5 and 6. This should enable him to carry a stock of less value and he may thus serve his clientele more elciently.
In the event that gold pens are used in the fountain pens or if the pens are made of other precious metal, this invention makes it possible to reduce the total weight of metal required in the pen in order to provide a firm and satisfactory positioning of the pen in the pen-section. In carrying out this invention, a pen need not be inserted as far into the pen section as is ordinarily required with other fountain pens, and furthermore when 4an aperture such as the aperture 13 is cut in the pen without weakening the grip of the pen section on the pen and in fact aiding it, it is evident that a great saving of precious metal is effected.
The modified feed bar 22, as shown in Fig. 9, may be employed as desired in place of the feed bar illustrated in Figs. 7 and 8. When this modified feed bar is used, having the tapers illustrated, or any other suitable tapers, it is evident that the interior of the pen section will accordingly hemodified to conform. The tapered surface may be so designed as to prevent, in conjunction with the interior of the pen section, the rotation of the feed bar.
The front end of the feed bar may be tapered as illustrated in profile in Fig. 7 to conform to the nib.
Having thus shown and described our invention` we now claim,
1. In a fountain pen, a removable pen section unit comprising a pen section, a pen irremovably secured thereto, and a feed member detachably positioned in said section and means associated with said member for eecting the easy Withdrawal of said member from said section.
2. In a fountain pen, a removable pen section unit comprising a pen section, a pen irremovably secured thereto, a feed member, and means associated with said member for effecting the sliding positioning of said member in said section, said means being further adapted to effect the easy withdrawal of said member from said section.
3. In a fountain pen, a pen section unit comprising a pen section, a pen irremovably secured thereto, and a feed member slidingly positioned in said section and means associated with said member for effecting the easy Withdrawal of said member from said section.
4. In a fountain pen, a pen section unit comprising a pen section, a pen irremovably secured thereto, a feed member, and means associated with said member for effecting the sliding positioning of said member in said section, said means' being further adapted to effect the easy Withdrawal of said member from said section.
5. In a. fountain pen, a barrel, a pen section having means including a non-circular shoulder for engaging said section with said barrel, a removable feed member engageable with said section, and means on said member cooperative with said shoulder for positioning said member in operative relation to said section and for effecting the easy Withdrawal of said member from the barrel.
6. The method of assembling a fountain pen comprising in part forming a generally cylindrical pen section provided with a noncircular shoulder at one end thereof, rotating the section by means of said shoulder into removable engagement with the barrel of the pen, and slidably inserting a feed member into the pen section by means of an instrument placed in a recess in the feed member, the recess, the instrument and said shoulder cooperating to establish the longitudinal operative position of the feed member.
7. In a fountain pen the combination of a pen section, a pen irremovably secured thereto, and a feed member removably secured to the pen section.
8. In a fountain pen the combination of a barrel, a sleeve frictionally fitting the barrel,
a pen section threadedly engaging the sleeve,
section and for member.
10. In a fountain pen the combination of a pen section, a pen irremovably secured thereto, a f eed member removably secured preventing rotation of said to the pen section and means for preventing rotation` of the feed member in the pen section.
11. In a fountain pen, a pen section, a pen secured thereto, Va grooved feed bar, means -for determining the longitudinal position of said feed bar in said pen section and means for positioning the grooves of the feed bar under the longitudinal center of the center line of the pen.
12. In a fountain pen, a pen section, a pen secured thereto, a grooved feed bar, and means for positioning the grooves of the feed bar under the longitudinal center line of the pen.
13. In a fountain pen, a removable feed member, and a groove on said member having a side cooperative with an end of said pen for longitudinally positioning said membei' in the pen and for effecting the easy withdrawal of said member from the pen.
In Witness whereof., we hereunto subscribe our names to this specification.
DONALD D. MUNGEN. ROBERT BACK.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US128735A US1787406A (en) | 1926-08-12 | 1926-08-12 | Fountain pen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US128735A US1787406A (en) | 1926-08-12 | 1926-08-12 | Fountain pen |
Publications (1)
Publication Number | Publication Date |
---|---|
US1787406A true US1787406A (en) | 1930-12-30 |
Family
ID=22436716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US128735A Expired - Lifetime US1787406A (en) | 1926-08-12 | 1926-08-12 | Fountain pen |
Country Status (1)
Country | Link |
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US (1) | US1787406A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2495080A (en) * | 1946-12-26 | 1950-01-17 | Max H Storch | Feeding mechanism for fountain pens |
US2750927A (en) * | 1952-02-19 | 1956-06-19 | Kahn David Inc | Fountain pens |
US2811948A (en) * | 1954-07-06 | 1957-11-05 | Kahn David Inc | Locking device for fountain pen |
US2811947A (en) * | 1951-07-27 | 1957-11-05 | Rigondaud Guy Frederic | Writing instrument |
FR2119450A5 (en) * | 1970-12-21 | 1972-08-04 | Perry Ltd |
-
1926
- 1926-08-12 US US128735A patent/US1787406A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2495080A (en) * | 1946-12-26 | 1950-01-17 | Max H Storch | Feeding mechanism for fountain pens |
US2811947A (en) * | 1951-07-27 | 1957-11-05 | Rigondaud Guy Frederic | Writing instrument |
US2750927A (en) * | 1952-02-19 | 1956-06-19 | Kahn David Inc | Fountain pens |
US2811948A (en) * | 1954-07-06 | 1957-11-05 | Kahn David Inc | Locking device for fountain pen |
FR2119450A5 (en) * | 1970-12-21 | 1972-08-04 | Perry Ltd |
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