FR919318A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
New device for studying bridge problems and playing bridge without partners
Assignee: Jean Rouille
•
Filing: 1945-09-04
•
Granted: 1947-03-05
•
Expires: 1965-09-04
Abstract
No abstract record available.
Inventors
- 👤 Jean Rouille
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 13:14
CPC Classifications
A; A63; A63F; A63F1/00; A63F1/06; A63F1/18
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.