BE346745A - - Google Patents
Info
- Publication number
- BE346745A BE346745A BE346745DA BE346745A BE 346745 A BE346745 A BE 346745A BE 346745D A BE346745D A BE 346745DA BE 346745 A BE346745 A BE 346745A
- 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
- B43K21/22—Writing-cores gripping means, e.g. chucks
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1759931X | 1926-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE346745A true BE346745A ( ) |
Family
ID=9680827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE346745D BE346745A ( ) | 1926-12-08 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1759931A ( ) |
| BE (1) | BE346745A ( ) |
| FR (1) | FR638536A ( ) |
| GB (1) | GB307324A ( ) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2510312A (en) * | 1946-02-07 | 1950-06-06 | Edwin C Hedler | Mechanical pencil with step-bystep push feed |
| US2503080A (en) * | 1946-03-04 | 1950-04-04 | Parker Pen Co | Mechanical pencil with push-button type lead feeding means |
| US2626592A (en) * | 1946-07-20 | 1953-01-27 | Edwin C Hedler | Mechanical push-type lead pencil |
| US2700959A (en) * | 1951-08-20 | 1955-02-01 | Rodi & Wienerberger Ag | Mechanical pencil |
| US4538934A (en) * | 1982-08-07 | 1985-09-03 | J. S. Staedtler Kg | Automatic lead advancing mechanism for a mechanical pencil |
| CN2152671Y (zh) * | 1992-12-15 | 1994-01-12 | 郝钰 | 连续出铅的全自动铅笔机芯 |
| CN113427930B (zh) * | 2021-07-23 | 2025-03-07 | 温州天骄笔业有限责任公司 | 自动铅笔 |
-
0
- BE BE346745D patent/BE346745A/xx unknown
-
1926
- 1926-12-08 FR FR638536D patent/FR638536A/fr not_active Expired
-
1927
- 1927-12-05 GB GB32785/27A patent/GB307324A/en not_active Expired
- 1927-12-06 US US238125A patent/US1759931A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB307324A (en) | 1929-03-05 |
| US1759931A (en) | 1930-05-27 |
| FR638536A (fr) | 1928-05-26 |