CH259468A - Porte-mine à plusieurs mines. - Google Patents
Porte-mine à plusieurs mines.Info
- Publication number
- CH259468A CH259468A CH259468DA CH259468A CH 259468 A CH259468 A CH 259468A CH 259468D A CH259468D A CH 259468DA CH 259468 A CH259468 A CH 259468A
- Authority
- CH
- Switzerland
- Prior art keywords
- mechanical pencil
- several mines
- mines
- several
- pencil
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
- B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
- B43K24/12—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operating by means sliding in longitudinally-slotted casings
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR926468T | 1946-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH259468A true CH259468A (fr) | 1949-01-31 |
Family
ID=9440580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH259468D CH259468A (fr) | 1946-04-11 | 1947-04-03 | Porte-mine à plusieurs mines. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2517522A (fr) |
| BE (1) | BE472348A (fr) |
| CH (1) | CH259468A (fr) |
| FR (1) | FR926468A (fr) |
| GB (1) | GB638420A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2676570A (en) * | 1949-08-01 | 1954-04-27 | Kahn David Inc | Writing instrument |
| US2884900A (en) * | 1952-09-16 | 1959-05-05 | Flo Ball Pen Corp | Writing instrument |
| US4986682A (en) * | 1989-12-19 | 1991-01-22 | Lu Shuenn Chin | Retractable finger pen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR828210A (fr) * | 1937-03-18 | 1938-05-12 | Carl Emil Ruf | Crayon à mines changeables |
-
0
- BE BE472348D patent/BE472348A/xx unknown
-
1946
- 1946-04-11 FR FR926468D patent/FR926468A/fr not_active Expired
-
1947
- 1947-04-03 CH CH259468D patent/CH259468A/fr unknown
- 1947-04-08 GB GB9323/47A patent/GB638420A/en not_active Expired
- 1947-07-30 US US764723A patent/US2517522A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB638420A (en) | 1950-06-07 |
| US2517522A (en) | 1950-08-01 |
| BE472348A (fr) | |
| FR926468A (fr) | 1947-10-02 |
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