Patent US4131991A successfully refreshed from Google Patents.
FR417362A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Letter lamp, pattern lamp, attribute lamp, etc., for illuminated signs
Assignee: GEORGES-ERNEST RAINAUD
•
Filing: 1910-06-22
•
Granted: 1910-11-12
•
Expires: 1930-06-22
Abstract
No abstract record available.
Inventors
- 👤 Georges-Ernest Rainaud
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 16:31
CPC Classifications
G; G09; G09F; G09F13/00
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.