FR546013A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Gyrostatic direction indicator
Assignee: Armand De Gramont De Guiche
•
Filing: 1922-01-17
•
Granted: 1922-10-26
•
Expires: 1942-01-17
Abstract
No abstract record available.
Inventors
- 👤 Armand De Gramont De Guiche
- 👤 Robert Alkan
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 03:35
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/34
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.