FR844048A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Depth control device for helicopters or gyroplanes
Assignee: Henrich Focke
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Filing: 1938-09-27
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Granted: 1939-07-18
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Expires: 1958-09-27
Abstract
No abstract record available.
Inventors
- 👤 Henrich Focke
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 11:05
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/82; B64C2027/8263; B64C2027/8281
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References Cited (Backward Citations)
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