FR814570A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Airplane propeller with automatically adjustable pitch
Assignee: Robert Hansen
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Filing: 1936-03-04
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Granted: 1937-06-25
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Expires: 1956-03-04
Abstract
No abstract record available.
Inventors
- 👤 Robert Hansen
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 00:19
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/32; B64C11/34; B64C11/346
Claims Analysis
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References Cited (Backward Citations)
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