DK141573B - Skate. - Google Patents
Skate. Download PDFInfo
- Publication number
- DK141573B DK141573B DK459773AA DK459773A DK141573B DK 141573 B DK141573 B DK 141573B DK 459773A A DK459773A A DK 459773AA DK 459773 A DK459773 A DK 459773A DK 141573 B DK141573 B DK 141573B
- Authority
- DK
- Denmark
- Prior art keywords
- rollers
- sole
- locking
- skate
- roller skate
- Prior art date
Links
- 239000010985 leather Substances 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/20—Roller skates; Skate-boards with fixable wheels permitting the skates to be used for walking
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/16—Skating boots
- A43B5/1633—Multipurpose skate boots
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C17/00—Roller skates; Skate-boards
- A63C17/008—Roller skates; Skate-boards with retractable wheel, i.e. movable relative to the chassis out of contact from surface
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Description
(W) \Fia/ (11) FREMLÆ6G ELSESSKRIFT 141573 DANMARK lnt C| 3 A 63 c 17/20 (21) Ansøgning nr. 4597/73 (22) indleveret den 21 . aug· 1973 1¾¾ (23) Ubedafl 21 * aug* (44) Ansøgningen fremlagt og 00 fremleeggeieessitriftet offentliggjort den 28. apr. 1 980(W) \ Via / (11) PUBLISHING ELESCRIPTION 141573 DENMARK lnt C | 3 A 63 c 17/20 (21) Application No. 4597/73 (22) filed on 21. Aug · 1973 1¾¾ (23) Ubedafl 21 * Aug * (44) The application submitted and the 00 petition publication published on 28 April. 1 980
DIREKTORATET FORDIRECTORATE OF
PATENT- OG VAREMÆRKEVÆSENET (30) Prioritet begæret fra denPATENT AND TRADEMARKET SYSTEM (30) Priority requested from it
21. aug. 1972, 12448/72, CHAug 21 1972, 12448/72, CH
(71) ER ESPA AG., Mitteletrasse 12, CH-3360 Herzogenbuchsee, CH.(71) ER ESPA AG., Mitteletrasse 12, CH-3360 Herzogenbuchsee, CH.
(72) Opfinder: Josua Waelle, Bahnweg 9, CH-4528 Zuchwil, CH.(72) Inventor: Joshua Waelle, 9 Bahnweg, CH-4528 Zuchwil, CH.
(74) Fuldmægtig under sagens behandling:(74) Plenipotentiary in the proceedings:
Internationalt Patent-Bureau.International Patent Office.
(54) Rulleskøjte.(54) Roller skate.
Opfindelsen angår en rulleskøjte af den art, hvis ruller kan omstilles mellem en løftet og en sænket stilling og fastlåses i disse stillinger.The invention relates to a roller skate of the kind whose rollers can be switched between a raised and a lowered position and locked in these positions.
Fra DT-PS 488 743 kendes en rulleskøjte af denne art, ved hvilken der til løftningen og sænkningen af rullerne anvendes et par parallelogrammer af ledstænger, der er drejelige om aksler fastgjort i skøjtesålen og om korte aksler, der også bærer rullerne. Parallelogrammerne kan løftes og sænkes hver for sig og fastlåses i to yderstillinger ved hjælp af en fjederbelastet låsestift på hver side af sålen.From DT-PS 488 743 a roller skate of this kind is known, in which a pair of parallelograms of handrails rotating about shafts fixed in the skate sole and about short shafts also carrying the rollers are used for lifting and lowering the rollers. The parallelograms can be lifted and lowered separately and locked in two outer positions by means of a spring-loaded locking pin on each side of the sole.
Imidlertid er denne kendte rulleskøjtes parallelogrammer tydeligvis ret ustabile, og denne ustabilitet bliver ikke mindre af de 141573 2 mange muligheder for slør og slid i de forskellige led. Endvidere er omstillingen af parallelogrammerne vanskeliggjort af den indbyrdes uafhængige løftning og sænkning samt låsning af disse. Endelig er ledstængerne og rullerne på uheldig måde placeret på ydersiderne af sålen, hvilket kan medføre risiko for såvel brugeren som andre mennesker.However, the parallelograms of this known roller skate are obviously quite unstable, and this instability does not become less of the many possibilities for blurring and wear in the various joints. Furthermore, the adjustment of the parallelograms is made difficult by the independent lifting and lowering and locking of them. Finally, the handrails and rollers are inadvertently positioned on the outside of the sole, which can cause a risk to the user as well as other people.
En rulleskøjte ifølge opfindelsen adskiller sig fra den kendte rulleskøjte ved, at de forreste og bageste ruller er drejeligt lejret ved den ydre ende af hver sin svingarm, som er forsænket i skøjtesålen og mellem sine ender drejeligt lejret am en vandret akse i sålen indstillelig mellem en hovedsagelig vandret og en skrå stilling, og at de to svingarme ved deres bort fra rullerne vendende indre ender har låseflader, der samvirker med et i sålen forskydeligt spærreorgan til fastholdelse af svingarmene henholdsvis i deres vandrette stilling, i hvilken rullerne er forsænket i udsparinger i sålen, og i deres skrå stilling, i hvilken rullerne rager neden for sålen.A roller skate according to the invention differs from the known roller skate in that the front and rear rollers are pivotally mounted at the outer end of each pivot arm which is recessed in the skate sole and between its ends pivotally mounted am a horizontal axis in the sole adjustable between a substantially horizontal and in an oblique position, and the two pivoting arms at their inner ends facing away from the rollers have locking surfaces which cooperate with a locking member slidable in the sole for holding the pivoting arms respectively in their horizontal position, in which the rollers are recessed into recesses in the sole. , and in their inclined position in which the rollers project below the sole.
Rulleskøjten ifølge opfindelsen udmærker sig ved, at den er af en simpel, stabil og robust konstruktion med få bevægelige dele og har forsænkede og skjulte ruller og svingarme, når skøjten anvendes til gang. Den frembyder derfor ingen risiko for brugeren og andre og har et forholdsvis tiltalende udseende. Endvidere er skøjten nem at betjene, fordi den kun har ét spærreorgan, som giver en stabil og direkte låsning af svingarmene i disses to yderstillinger.The roller skate according to the invention is characterized in that it is of a simple, stable and robust construction with few moving parts and has recessed and concealed rollers and swing arms when the skate is used for running. It therefore poses no risk to the user and others and has a relatively appealing appearance. Furthermore, the skate is easy to operate because it has only one locking device which provides a stable and direct locking of the swing arms in their two outer positions.
Opfindelsen forklares nærmere i det følgende ved hjælp af et udførelseseksempel på en rulleskøjte ifølge opfindelsen og under henvisning til tegningen, hvor fig. 1 viser undersiden af sålen på en rulleskøjte ifølge opfindelsen, fig. 2 et sidebillede af sålen med sænkede ruller, og fig. 3 det samme med løftede ruller.The invention will be explained in more detail below with the aid of an embodiment of a roller skate according to the invention and with reference to the drawing, in which fig. 1 shows the underside of the sole of a roller skate according to the invention; FIG. 2 is a side view of the sole with lowered rollers; and FIG. 3 the same with lifted rollers.
Tegningen viser en rulleskøjte 10, som tjener til optagelse af en rullemekanisme, og som fortrinsvis består af træ eller plast. Sålen kan dog også være fremstillet af læder, hård gummi eller letmetal, f.eks. aluminium, og kan på kendt måde være fastgjort til overlæderet af skotøj.The drawing shows a roller skate 10, which serves to receive a rolling mechanism, and preferably consists of wood or plastic. However, the sole may also be made of leather, hard rubber or light metal, e.g. aluminum, and may in a known manner be attached to the leather upper by footwear.
I sålen 10 findes der to udsparinger 11 og 12 til optagelse af rullerne. I det viste eksempel er der i den forreste udsparing 11 anbragt to ruller 13 og 14, medens der i den bageste udsparing 12 kun er anbragten enkelt rulle 15. De to forreste ruller 13 og 14 er drejeligt lejrede på en aksel 16, som på midten er fastgjort ved 141573 3 den ene ende af en svingarm 17. Svingarmen 17 er drejeligt lejret på en aksel 18, der er indsat i sålen 10. Den anden ende af svingarmen 17, modsat rullerne 13 og 14, har to låseflader i form af affasninger 19 og 20, som danner en vinkel i forhold til hinanden, og som samvirker med et spærreorgan 21.In the sole 10 there are two recesses 11 and 12 for receiving the rollers. In the example shown, in the front recess 11 two rollers 13 and 14 are arranged, while in the rear recess 12 only one roll 15 is arranged. The two front rollers 13 and 14 are pivotally mounted on a shaft 16, which in the middle is pivoted at one end of a pivot arm 17. The pivot arm 17 is pivotally mounted on a shaft 18 inserted in the sole 10. The other end of the pivot arm 17, opposite rollers 13 and 14, has two locking faces in the form of bevels. 19 and 20 which form an angle to each other and cooperate with a locking means 21.
Den bageste rulle 15 er drejeligt lejret på en aksel 22, som er fastgjort i en gaffel 23 i den ene ende af en svingarm 24, som er drejeligt lejret på en aksel 25, der er indsat i sålen 10.The rear roller 15 is pivotally mounted on a shaft 22 which is secured to a fork 23 at one end of a pivot arm 24 which is pivotally mounted on a shaft 25 inserted in the sole 10.
Den anden ende af svingarmen 24, modsat rullen 15, er udformet på samme måde som tilsvarende ende af førstnævnte svingarm 17.The other end of the pivot arm 24, opposite the roller 15, is formed in the same manner as the corresponding end of the first pivot arm 17.
Spærreorganet 21 har en cylindrisk del 30, som er forskydeligt lejret i vandret retning i en boring 26 i midten af sålen på tværs af dennes længdeakse på en sådan måde, at delen 30 befinder sig i bevægelsesbanen for svingarmene 17 og 24's indre ender. Delen 30 er påvirket af en cylindrisk skruefjeder 27, som trykker den cylindriske del 30 mod sålens midte til indgreb med låsefladerne 19 og 20 på svingarmene 17 og 24. Delen 30 har en spindel 28, på hvis frie ende der er anbragt et indstillingsorgan 29, som rager ud fra sålens side og kan betjenes manuelt.The locking member 21 has a cylindrical portion 30 which is slidably mounted horizontally in a bore 26 in the center of the sole across its longitudinal axis in such a way that the portion 30 is in the path of movement of the pivot arms 17 and 24. The part 30 is actuated by a cylindrical screw spring 27 which pushes the cylindrical part 30 towards the center of the sole for engagement with the locking surfaces 19 and 20 on the pivot arms 17 and 24. The part 30 has a spindle 28, on the free end of which is a setting means 29, which protrudes from the side of the sole and can be operated manually.
Med indstillingsorganet 29 kan den cylindriske del 30 forskydes aksialt på en sådan måde, at delen 30 kan bringes i en stilling, hvor den er ude af indgreb med låsefladerne 19 og 20 på svingarmene.With the adjusting means 29, the cylindrical part 30 can be displaced axially in such a way that the part 30 can be brought into a position where it is out of engagement with the locking surfaces 19 and 20 on the swing arms.
I den i fig. 3 viste stilling af rullerne, hvor disse er forsænket i udsparingerne 11 og 12, ligger affasningerne 19 på de to svingarme an mod den cylindriske del 30, så at en udsvingning af de to svingarme 17 og 24 om deres akser er udelukket. Skal rullerne nu bringes til deres sænkede stilling for kørsel, trækkes ved udtrækning af indstillingsorganet 29 den cylindriske del 30 ud af sin spærrestilling mod påvirkning fra fjederen 27, indtil delen 30 kommer ud af indgreb med låsefladerne 19 på svingarmene. Derved frigives svingarmene 17 og 24 og svinger på grund af tyngdekraften ud i den ifig. 2 viste stilling, hvor rullerne rager neden for sålen, og rulleskøjten er klar til at køre på. Ved frigivelse af indstillingsorganet 29 vil delen 30 under påvirkning af fjederen 27 atter komme i sin spærrestilling, i hvilken nu låsefladerne 20 på de to svingarme ligger an mod den cylindriske del 30. Rullerne er på denne måde låst i deres udragende stilling.In the embodiment shown in FIG. 3, where the rollers are recessed in the recesses 11 and 12, the bevels 19 of the two pivot arms abut the cylindrical portion 30, so that a pivot of the two pivot arms 17 and 24 about their axes is excluded. Should the rollers now be brought to their lowered position for travel, by pulling the adjusting means 29, the cylindrical portion 30 is pulled out of its locking position against impact from the spring 27 until the portion 30 comes out of engagement with the locking surfaces 19 of the pivot arms. Thereby, the swing arms 17 and 24 are released and, due to gravity, swing out into it. 2, the rollers protrude below the sole and the roller skate is ready to move. Upon release of the adjusting member 29, the part 30, under the action of the spring 27, will again return to its locking position, in which the locking faces 20 of the two pivot arms abut the cylindrical part 30. The rollers are thus locked in their protruding position.
Ved en fornyet, tilsvarende påvirkning af spærreorganet 21 kan rullerne atter bringes fra deres udragende stilling til deres forsæn-By a renewed similar influence on the locking means 21, the rollers can again be brought from their protruding position to their recesses.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1244872A CH556677A (en) | 1972-08-21 | 1972-08-21 | ROLLER SKATE. |
CH1244872 | 1972-08-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK141573B true DK141573B (en) | 1980-04-28 |
DK141573C DK141573C (en) | 1980-10-06 |
Family
ID=4383112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK459773AA DK141573B (en) | 1972-08-21 | 1973-08-21 | Skate. |
Country Status (11)
Country | Link |
---|---|
US (1) | US3884485A (en) |
AT (1) | AT322425B (en) |
CA (1) | CA994381A (en) |
CH (1) | CH556677A (en) |
DE (1) | DE2321669C3 (en) |
DK (1) | DK141573B (en) |
FR (1) | FR2196826B1 (en) |
GB (1) | GB1388234A (en) |
IT (1) | IT987479B (en) |
NL (1) | NL170702C (en) |
SE (1) | SE386828B (en) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2550211C2 (en) * | 1974-11-11 | 1983-01-13 | Leo Langenthal Gumbiller | Locking device for a roller and walking shoe |
US4008901A (en) * | 1975-06-11 | 1977-02-22 | Conn J L | Triple skate attachments |
DE2745040A1 (en) * | 1977-10-06 | 1979-04-12 | Tec T T Wang | SHOE WITH ATTACHABLE AND INTERCHANGEABLE ROLLER OR SKATE ACCESSORIES |
US5374072A (en) * | 1991-12-13 | 1994-12-20 | Landers; Gary | Roller adjustment system for in-line skates |
US5253884A (en) * | 1991-12-13 | 1993-10-19 | Gary Landers | Roller adjustment means for in line skate |
US5398970A (en) * | 1993-07-28 | 1995-03-21 | Tucky; Edward W. | Shoes for walking and roller skating |
FR2715320B1 (en) * | 1994-01-26 | 1996-05-24 | Frederic Fichepain | Shoe sole with retractable wheels. |
KR0184712B1 (en) * | 1994-01-31 | 1999-05-01 | 김용업 | Roller shoes |
US5947486A (en) * | 1994-11-04 | 1999-09-07 | City Glider Product Gmbh | Biodynamic roller skate |
US5586777A (en) * | 1995-06-05 | 1996-12-24 | Wolf; David | In line skate with dynamically adjustable wheels |
US5765870A (en) * | 1995-06-06 | 1998-06-16 | Riley; Richard | Adjustable inline skate storage and walking shoe |
FR2761275B1 (en) * | 1997-04-01 | 1999-07-30 | Claude Roybon | CONFIGURABLE ROLLER SKATE IN RUNNING POSITION |
US5785327A (en) * | 1997-06-20 | 1998-07-28 | Gallant; Raymond J. | Skates having retractable rollers |
FR2780896A1 (en) * | 1998-07-13 | 2000-01-14 | Gravelec Sa | Boot with retractable roller skates |
JP2002526216A (en) | 1998-09-18 | 2002-08-20 | ジエルバゾニ,ベルナール | Roller skates with improved appearance and function as walking shoes |
TW370888U (en) | 1998-12-19 | 1999-09-21 | Chun-Cheng Chang | Structure of roller stand of roller skate |
US6698769B2 (en) | 1999-04-01 | 2004-03-02 | Heeling Sports Limited | Multi-wheel heeling apparatus |
US7063336B2 (en) * | 1999-04-01 | 2006-06-20 | Heeling Sports Limited | External wheeled heeling apparatus and method |
NZ514418A (en) | 1999-04-01 | 2003-11-28 | Heeling Sports Ltd | Heeling apparatus and method, with roller in heel portion of shoe |
US6120039A (en) * | 1999-08-16 | 2000-09-19 | Clementi; Fred | Walking and in-line skate shoe |
DE69912124T2 (en) * | 1999-09-23 | 2004-05-06 | Chun-Cheng Chang | Frame for roller skates |
TW400753U (en) * | 1999-10-12 | 2000-08-01 | Shiu Yi Chiuan | Walking and skating footwear |
TW549118U (en) * | 2000-03-07 | 2003-08-21 | Yi-Chiuan Shiu | Shoes for walking or roller-skating |
GB2362110B (en) * | 2000-05-13 | 2004-02-11 | Yi-Chuan Hsu | Footwear that can be worn for walking or skating |
US6336644B1 (en) * | 2000-08-02 | 2002-01-08 | Ching-Long Chen | Combined sports shoe and roller skate |
US6464236B2 (en) * | 2000-12-11 | 2002-10-15 | Chung-Cheng Chang | Wheel seat assembly for roller skate |
US6386556B1 (en) * | 2000-12-29 | 2002-05-14 | Chin-Ho Yeh | Roller skate |
US6585273B2 (en) * | 2001-01-10 | 2003-07-01 | Michael Chiu | Hidden device in a multifunctional sports shoe |
US6536785B2 (en) * | 2001-03-01 | 2003-03-25 | Billy Lee | Roller skate shoes |
US6364322B1 (en) * | 2001-03-01 | 2002-04-02 | Billy Lee | Wheel lock releaser arrangement for roller skate shoe |
TW478370U (en) * | 2001-04-06 | 2002-03-01 | Solex Ind Inc | Roller skate with foldable wheels |
US6402162B1 (en) * | 2001-04-24 | 2002-06-11 | Hui-Chung Liang | Dual-purpose roller skate |
US6394468B1 (en) * | 2001-05-02 | 2002-05-28 | Kuo-Pin Chiang | Dual-purpose shoe |
US6572120B2 (en) | 2001-08-21 | 2003-06-03 | Chun-Cheng Chang | Wheel assembly for roller skate |
US6523836B1 (en) * | 2001-09-28 | 2003-02-25 | Chun-Cheng Chang | Wheel assembly for roller skate |
US6629698B2 (en) * | 2001-10-03 | 2003-10-07 | Wei-Yen Chu | Multifunctional shoe |
KR100530834B1 (en) * | 2001-11-13 | 2005-11-28 | 이홍길 | Shoes with roller device |
CN2520912Y (en) | 2002-01-16 | 2002-11-20 | 东莞上安鸿运动器材厂 | Single-wheel type walking & sliding multifunction skates |
US6764082B2 (en) * | 2002-02-20 | 2004-07-20 | Mearthane Products Corporation | Shoes for walking and rolling |
US7036829B2 (en) * | 2004-01-20 | 2006-05-02 | Maxwell Levar M | Retractable skates and method therefor |
EP1796796B1 (en) * | 2004-08-04 | 2015-07-01 | Heeling Sports Limited | Motorized transportation apparatus and method |
US7415882B2 (en) * | 2005-12-19 | 2008-08-26 | The Boeing Company | Methods and systems for inspection of composite assemblies |
US7735840B2 (en) * | 2007-08-02 | 2010-06-15 | Bbc International Llc | Roller shoe |
US7900731B2 (en) * | 2007-11-13 | 2011-03-08 | Mckinzie Bradley K | Shoe with retractable motorized wheels |
US20120267208A1 (en) * | 2011-04-23 | 2012-10-25 | D Angelo Eduardo Felipe | Universal wheeled bag system |
US10945485B2 (en) | 2012-08-03 | 2021-03-16 | Heeling Sports Limited | Heeling apparatus |
US9630084B2 (en) * | 2015-02-27 | 2017-04-25 | Vladimir Yurkin | Inline skate sneaker |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL67893C (en) * | 1900-01-01 | |||
FR464879A (en) * | 1913-11-13 | 1914-04-02 | Paul Fengler | Roller skates |
US1468682A (en) * | 1922-09-14 | 1923-09-25 | Frank W Wallace | Coaster |
DE488743C (en) * | 1929-11-11 | 1930-01-03 | Franz Schwarz | Play or sports equipment to be attached to the shoe or foot with running wheels that can be adjusted and locked in the upper or lower position |
US2095942A (en) * | 1935-05-29 | 1937-10-12 | Knut O G Wetterstrand | Roller skate |
US3007709A (en) * | 1957-03-15 | 1961-11-07 | Clark J R Co | Collapsible utility cart |
US3306623A (en) * | 1964-11-12 | 1967-02-28 | Dorothea M Weitzner | Roller skates for shoes |
-
1972
- 1972-08-21 CH CH1244872A patent/CH556677A/en not_active IP Right Cessation
-
1973
- 1973-03-19 NL NLAANVRAGE7303776,A patent/NL170702C/en active
- 1973-04-25 AT AT368673A patent/AT322425B/en not_active IP Right Cessation
- 1973-04-28 DE DE2321669A patent/DE2321669C3/en not_active Expired
- 1973-05-16 IT IT24145/73A patent/IT987479B/en active
- 1973-05-22 GB GB2427173A patent/GB1388234A/en not_active Expired
- 1973-08-20 US US389536A patent/US3884485A/en not_active Expired - Lifetime
- 1973-08-21 DK DK459773AA patent/DK141573B/en not_active IP Right Cessation
- 1973-08-21 FR FR7330342A patent/FR2196826B1/fr not_active Expired
- 1973-08-21 CA CA179,317A patent/CA994381A/en not_active Expired
- 1973-08-21 SE SE7311381A patent/SE386828B/en unknown
Also Published As
Publication number | Publication date |
---|---|
NL170702C (en) | 1982-12-16 |
US3884485A (en) | 1975-05-20 |
DE2321669A1 (en) | 1974-03-07 |
CH556677A (en) | 1974-12-13 |
SE386828B (en) | 1976-08-23 |
IT987479B (en) | 1975-02-20 |
DE2321669C3 (en) | 1979-06-13 |
FR2196826A1 (en) | 1974-03-22 |
GB1388234A (en) | 1975-03-26 |
AT322425B (en) | 1975-05-26 |
DK141573C (en) | 1980-10-06 |
DE2321669B2 (en) | 1978-10-19 |
FR2196826B1 (en) | 1978-11-03 |
CA994381A (en) | 1976-08-03 |
NL7303776A (en) | 1974-02-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |