FR742977A - - Google Patents
Info
- Publication number
- FR742977A FR742977A FR742977DA FR742977A FR 742977 A FR742977 A FR 742977A FR 742977D A FR742977D A FR 742977DA FR 742977 A FR742977 A FR 742977A
- Authority
- FR
- France
- 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
- B43K21/085—Writing-core feeding mechanisms with the writing-cores fed by screws with a threaded propelling shank
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742977A true FR742977A (da) | 1933-03-21 |
Family
ID=1547299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742977D Expired FR742977A (da) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR742977A (da) |
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0
- FR FR742977D patent/FR742977A/fr not_active Expired