FR720803A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Lifebuoy for submarine crew
Assignee: Fritz Gniwodda Jun
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Filing: 1931-07-29
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Granted: 1932-02-24
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Expires: 1951-07-29
Abstract
No abstract record available.
Inventors
- 👤 Fritz Gniwodda Jun
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 00:50
CPC Classifications
B; B63; B63G; B63G8/00; B63G8/40; B63G8/41
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References Cited (Backward Citations)
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