FR809510A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Anesthesia mask
Assignee: Pierre Dreyfus-Le-Foyer
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Filing: 1935-11-28
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Granted: 1937-03-04
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Expires: 1955-11-28
Abstract
No abstract record available.
Inventors
- 👤 Pierre Dreyfus-Le-Foyer
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 00:35
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/06; A61M16/01; A61M16/0683
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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