CH289723A - Mechanical writing instrument. - Google Patents

Mechanical writing instrument.

Info

Publication number: CH289723A
Authority: CH; Switzerland
Prior art keywords: writing instrument; mechanical writing; mechanical; instrument; writing
Prior art date: 1951-01-25

Application number

Other languages

French (fr)

Inventor

Inc Scripto

Original Assignee

Inc Scripto

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1951-01-25

Filing date

1951-02-13

Publication date

1953-03-31

1951-02-13 Application filed by Inc Scripto filed Critical Inc Scripto

1953-03-31 Publication of CH289723A publication Critical patent/CH289723A/en

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
- B43K21/02—Writing-core feeding mechanisms
- B43K21/08—Writing-core feeding mechanisms with the writing-cores fed by screws
- B43K21/12—Writing-core feeding mechanisms with the writing-cores fed by screws with means preventing overwinding

CH289723D 1951-01-25 1951-02-13 Mechanical writing instrument. CH289723A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB197051A GB698432A (en)	1951-01-25	1951-01-25	Improvements in or relating to mechanical writing instruments

Publications (1)

Publication Number	Publication Date
CH289723A true CH289723A (en)	1953-03-31

Family

ID=9731256

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH289723D CH289723A (en)	1951-01-25	1951-02-13	Mechanical writing instrument.

Country Status (3)

Country	Link
BE (1)	BE501201A (en)
CH (1)	CH289723A (en)
GB (1)	GB698432A (en)

0
- BE BE501201D patent/BE501201A/xx unknown
1951
- 1951-01-25 GB GB197051A patent/GB698432A/en not_active Expired
- 1951-02-13 CH CH289723D patent/CH289723A/en unknown

Also Published As

Publication number	Publication date
BE501201A (en)
GB698432A (en)	1953-10-14

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