FR23676E
Expired / Lapsed
FR
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Bi-concave filling
Assignee: JEAN MARIE POPILLE
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Filing: 1920-10-01
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Granted: 1921-12-15
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Expires: 1940-10-01
Abstract
No abstract record available.
Inventors
- 👤 Jean-Marie Popille
- 👤 Louis-Auguste Sabaton
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 16:58
CPC Classifications
F; F42; F42B; F42B7/00; F42B7/02; F42B7/08
Claims Analysis
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References Cited (Backward Citations)
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