FR1149933A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Electric game for solving problems such as crosswords
Assignee: Rene-Georges Martin
•
Filing: 1956-04-18
•
Granted: 1958-01-03
•
Expires: 1976-04-18
Abstract
No abstract record available.
Inventors
- 👤 Rene-Georges Martin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 17:15
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/18; A63F9/183
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.