BE501201A - - Google Patents

Info

Publication number: BE501201A
Authority: BE; Belgium

Application number

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

Publication of BE501201A publication Critical patent/BE501201A/xx

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

BE501201D 1951-01-25 BE501201A (US07122603-20061017-C00294.png)

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
BE501201A true BE501201A (US07122603-20061017-C00294.png)

Family

ID=9731256

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE501201D BE501201A (US07122603-20061017-C00294.png)	1951-01-25

Country Status (3)

Country	Link
BE (1)	BE501201A (US07122603-20061017-C00294.png)
CH (1)	CH289723A (US07122603-20061017-C00294.png)
GB (1)	GB698432A (US07122603-20061017-C00294.png)

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/fr unknown

Also Published As

Publication number	Publication date
CH289723A (fr)	1953-03-31
GB698432A (en)	1953-10-14

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