FR559852A - Advanced mechanical pencil - Google Patents
Advanced mechanical pencilInfo
- Publication number
- FR559852A FR559852A FR559852DA FR559852A FR 559852 A FR559852 A FR 559852A FR 559852D A FR559852D A FR 559852DA FR 559852 A FR559852 A FR 559852A
- Authority
- FR
- France
- Prior art keywords
- mechanical pencil
- advanced mechanical
- advanced
- pencil
- 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
- B43K21/085—Writing-core feeding mechanisms with the writing-cores fed by screws with a threaded propelling shank
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR559852T | 1922-03-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR559852A true FR559852A (en) | 1923-09-22 |
Family
ID=8942500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR559852D Expired FR559852A (en) | 1922-03-07 | 1922-03-07 | Advanced mechanical pencil |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR559852A (en) |
-
1922
- 1922-03-07 FR FR559852D patent/FR559852A/en not_active Expired
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