FR799750A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Optical system for lighting a well-defined area
Assignee: Anciens Etablissements Barbier Benard and Turenne SA
•
Filing: 1935-12-20
•
Granted: 1936-06-18
•
Expires: 1955-12-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 16:29
CPC Classifications
F; F21; F21V; F21V7/00; F21V7/04; F21Y; F21Y2103/00
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.