FR1106742A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Further development of ballpoint pens and their cartridges
Assignee: Roger Desvignes
•
Filing: 1954-05-28
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Granted: 1955-12-22
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Expires: 1974-05-28
Abstract
No abstract record available.
Inventors
- 👤 Roger Desvignes
- 👤 R Desvignes
- 👤 S Durand
- 👤 A Lochen
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 20:12
CPC Classifications
B; B43; B43K; B43K7/00; B43K7/02; B43K7/08
Claims Analysis
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References Cited (Backward Citations)
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