Patent US3549922A successfully refreshed from Google Patents.
Patent US4665654A successfully refreshed from Google Patents.
Patent US2128799A successfully refreshed from Google Patents.
Patent US3722649A successfully refreshed from Google Patents.
Patent US4773305A successfully refreshed from Google Patents.
Patent US3522491A successfully refreshed from Google Patents.
Patent FR725513A successfully refreshed from Google Patents.
FR725513A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Advertising and timekeeping device
Assignee: Herman-Jean Simon
•
Filing: 1931-10-31
•
Granted: 1932-05-13
•
Expires: 1951-10-31
Abstract
No abstract record available.
Inventors
- 👤 Herman-Jean Simon
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 14:02
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/12; G09F19/18
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.