FR922075A - Perfectionnements aux porte-mines à plusieurs couleurs - Google Patents
Perfectionnements aux porte-mines à plusieurs couleursInfo
- Publication number
- FR922075A FR922075A FR922075DA FR922075A FR 922075 A FR922075 A FR 922075A FR 922075D A FR922075D A FR 922075DA FR 922075 A FR922075 A FR 922075A
- Authority
- FR
- France
- Prior art keywords
- several colors
- mechanical pencils
- pencils
- mechanical
- colors
- 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
- 239000003086 colorant Substances 0.000 title 1
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
- B43K24/16—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by push-buttons
- B43K24/166—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by push-buttons selection by gravity with a pendulum or the like
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR922075T | 1945-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR922075A true FR922075A (fr) | 1947-05-28 |
Family
ID=9437741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR922075D Expired FR922075A (fr) | 1945-12-11 | 1945-12-11 | Perfectionnements aux porte-mines à plusieurs couleurs |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR922075A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3152578A (en) * | 1960-08-02 | 1964-10-13 | Hofmann Ulrich | Multicolor ball-point writer |
-
1945
- 1945-12-11 FR FR922075D patent/FR922075A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3152578A (en) * | 1960-08-02 | 1964-10-13 | Hofmann Ulrich | Multicolor ball-point writer |
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