FR28807E - Porte-mines - Google Patents
Porte-minesInfo
- Publication number
- FR28807E FR28807E FR28807DA FR28807E FR 28807 E FR28807 E FR 28807E FR 28807D A FR28807D A FR 28807DA FR 28807 E FR28807 E FR 28807E
- Authority
- FR
- France
- Prior art keywords
- mechanical pencils
- pencils
- mechanical
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- B43K21/14—Writing-core feeding mechanisms with the writing-cores fed by screws with writing-cores automatically replaced from magazines
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR28807T | 1924-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR28807E true FR28807E (fr) | 1925-04-08 |
Family
ID=8666918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR28807D Expired FR28807E (fr) | 1924-03-08 | 1924-03-08 | Porte-mines |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR28807E (fr) |
-
1924
- 1924-03-08 FR FR28807D patent/FR28807E/fr not_active Expired
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