FR1137784A - Writing instrument such as ballpoint pen - Google Patents
Writing instrument such as ballpoint penInfo
- Publication number
- FR1137784A FR1137784A FR1137784DA FR1137784A FR 1137784 A FR1137784 A FR 1137784A FR 1137784D A FR1137784D A FR 1137784DA FR 1137784 A FR1137784 A FR 1137784A
- Authority
- FR
- France
- Prior art keywords
- writing instrument
- ballpoint pen
- ballpoint
- pen
- writing
- 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
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
- B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
- B43K24/08—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons
- B43K24/086—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons with heart-shaped cams, balls
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1137784X | 1954-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1137784A true FR1137784A (en) | 1957-06-04 |
Family
ID=3686063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1137784D Expired FR1137784A (en) | 1954-09-14 | 1955-09-09 | Writing instrument such as ballpoint pen |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1137784A (en) |
-
1955
- 1955-09-09 FR FR1137784D patent/FR1137784A/en not_active Expired
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