FR931065A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method for controlling the blades of variable-pitch propellers, and device applying this method
Assignee: Henri-Andre Robyn
•
Filing: 1946-06-28
•
Granted: 1948-02-12
•
Expires: 1966-06-28
Abstract
No abstract record available.
Inventors
- 👤 Henri-Andre Robyn
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 10:10
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/32; B64C11/34; B64C11/346
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.