FR974743A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to parabolic reflectors, especially for portable electric lamps
Assignee: AMEL ETS
•
Filing: 1948-11-08
•
Granted: 1951-02-26
•
Expires: 1968-11-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 01:11
CPC Classifications
F; F21; F21L; F21L4/00; F21V; F21V7/00; F21V7/0075; F21V7/04; F21V7/09
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.