FR707704A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to aircraft propulsion systems
Assignee: Robert Leparmentier
•
Filing: 1930-01-18
•
Granted: 1931-07-11
•
Expires: 1950-01-18
Abstract
No abstract record available.
Inventors
- 👤 Robert Leparmentier
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 23:13
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/305
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References Cited (Backward Citations)
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