Patent FR840947A successfully refreshed from Google Patents.
FR840947A
Expired / Lapsed
FR
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Device facilitating air and sea navigation
Assignee: Andre Leon Max Japy
•
Filing: 1938-01-06
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Granted: 1939-05-08
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Expires: 1958-01-06
Abstract
No abstract record available.
Inventors
- 👤 Andre Leon Max Japy
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 19:54
CPC Classifications
G; G09; G09B; G09B29/00; G09B29/10; B; B29; B29C; B29C48/00; B29C48/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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