FR692678A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Apparatus intended to constantly indicate the route followed by an aircraft
Assignee: Anciens Etablissements Barbier Benard and Turenne SA
•
Filing: 1929-12-04
•
Granted: 1930-11-08
•
Expires: 1949-12-04
Abstract
No abstract record available.
Inventors
- 👤 Andre-Jules Marcelin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 22:54
CPC Classifications
B; B64; B64D; B64D43/00; B64F; B64F1/00; B64F1/18
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.