FR791526A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for automatically varying the pitch of the propellers in flight, and propellers comprising the application of this process
Assignee: Stephane Drzewiecki
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Filing: 1934-09-12
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Granted: 1935-12-12
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Expires: 1954-09-12
Abstract
No abstract record available.
Inventors
- 👤 Stephane Drzewiecki
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 16:51
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/32; B64C11/34
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