Patent FR574500A successfully refreshed from Google Patents.
FR574500A
Expired / Lapsed
FR
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Airplane wing with variable airfoil
Assignee: Jean Biche
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Filing: 1923-12-15
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Granted: 1924-07-11
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Expires: 1943-12-15
Abstract
No abstract record available.
Inventors
- 👤 Jean Biche
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 19:37
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/38; B64C3/44; B64C3/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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