FR736745A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Respirator mask to facilitate swimming exercise
Assignee: Jacques Aumarechal
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Filing: 1931-09-08
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Granted: 1932-11-28
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Expires: 1951-09-08
Abstract
No abstract record available.
Inventors
- 👤 Jacques Aumarechal
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 23:07
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/18; B63C11/20; B63C11/205
Claims Analysis
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References Cited (Backward Citations)
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