FR1009502A
Expired / Lapsed
FR
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Improvement of writing instruments with a piston
Assignee: Edmond-Gaston Regnault
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Filing: 1950-01-28
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Granted: 1952-05-30
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Expires: 1970-01-28
Abstract
No abstract record available.
Inventors
- 👤 Edmond-Gaston Regnault
- 👤 Charles-Aristide-Cle Giroud
- 👤 Georges-Raymond Vitte
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 10:04
CPC Classifications
B; B43; B43K; B43K7/00; B43K7/02; B43K7/03; B43K7/035; B43K5/00; B43K5/02; B43K5/06
Claims Analysis
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References Cited (Backward Citations)
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