FR50370E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Devices facilitating air and sea navigation
Assignee: Andre-Leon-Max Japy
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Filing: 1938-11-25
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Granted: 1940-04-12
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Expires: 1958-11-25
Abstract
No abstract record available.
Inventors
- 👤 Andre-Leon-Max Japy
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 21:28
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/20
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References Cited (Backward Citations)
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