BE501201A - - Google Patents
Info
- Publication number
- BE501201A BE501201A BE501201DA BE501201A BE 501201 A BE501201 A BE 501201A BE 501201D A BE501201D A BE 501201DA BE 501201 A BE501201 A BE 501201A
- Authority
- BE
- Belgium
Links
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
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 (cs) |
Family
ID=9731256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE501201D BE501201A (cs) | 1951-01-25 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE501201A (cs) |
| CH (1) | CH289723A (cs) |
| GB (1) | GB698432A (cs) |
-
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 |