FR977459A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to the coupling and control mechanisms of the pitch variations of the co-axial propellers
Assignee: Paul-Robert Clement
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Filing: 1942-07-08
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Granted: 1951-04-02
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Expires: 1962-07-08
Abstract
No abstract record available.
Inventors
- 👤 Paul-Robert Clement
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 10:27
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/306
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