FR618184A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Illuminated device for demarcating airfields at night
Assignee: Anciens Etablissements Barbier Benard and Turenne SA
•
Filing: 1926-06-28
•
Granted: 1927-03-04
•
Expires: 1946-06-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 15:01
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/18; B64F1/20
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.