FR592057A - Perfectionnements aux porte-mines - Google Patents
Perfectionnements aux porte-minesInfo
- Publication number
- FR592057A FR592057A FR592057DA FR592057A FR 592057 A FR592057 A FR 592057A FR 592057D A FR592057D A FR 592057DA FR 592057 A FR592057 A FR 592057A
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR592057T | 1925-01-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR592057A true FR592057A (fr) | 1925-07-23 |
Family
ID=8964532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR592057D Expired FR592057A (fr) | 1925-01-23 | 1925-01-23 | Perfectionnements aux porte-mines |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR592057A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2753843A (en) * | 1955-09-02 | 1956-07-10 | Frank L Lane | Converter for mechanical pencils |
-
1925
- 1925-01-23 FR FR592057D patent/FR592057A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2753843A (en) * | 1955-09-02 | 1956-07-10 | Frank L Lane | Converter for mechanical pencils |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR570663A (fr) | Perfectionnements apportés aux porte-mines | |
FR595574A (fr) | Perfectionnements aux mouvements mécaniques | |
FR613721A (fr) | Perfectionnements aux cendriers | |
FR592057A (fr) | Perfectionnements aux porte-mines | |
FR615366A (fr) | Perfectionnements aux aéromoteurs | |
FR605808A (fr) | Perfectionnements apportés aux chausse-pieds | |
FR605135A (fr) | Perfectionnements apportés aux réveils | |
FR608158A (fr) | Perfectionnements apportés aux réveils | |
FR598436A (fr) | Perfectionnements aux porte-plumes | |
FR600833A (fr) | Porte-mines | |
FR605510A (fr) | Perfectionnements aux crayons porte-mines | |
FR591484A (fr) | Perfectionnements aux archets | |
FR618625A (fr) | Perfectionnements aux aéroplanes | |
FR588763A (fr) | Perfectionnements aux porte-mines | |
FR589669A (fr) | Perfectionnements aux porte-mine | |
FR625147A (fr) | Perfectionnements apportés aux treuils mécaniques | |
FR595799A (fr) | Porte-mine perfectionné | |
FR618057A (fr) | Perfectionnements aux porte-mines | |
FR591467A (fr) | Perfectionnements apportés aux tarares | |
FR31319E (fr) | Perfectionnements apportés aux crémones | |
FR644322A (fr) | Perfectionnements aux porte-mines | |
FR586881A (fr) | Perfectionnements apportés aux crayons porte-mine | |
FR587608A (fr) | Perfectionnements apportés aux crayons porte-mine | |
FR565416A (fr) | Perfectionnements aux porte-mines | |
FR608606A (fr) | Porte-mines |