Patent FR444854A successfully refreshed from Google Patents.
FR444854A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Automatic lock for securing door leaves in closed position
Assignee: LEON NACHEZ
•
Filing: 1912-06-11
•
Granted: 1912-10-28
•
Expires: 1932-06-11
Abstract
No abstract record available.
Inventors
- 👤 Leon Nachez
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 13:38
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/18; E05B63/20; E05C; E05C17/00; E05C17/02; E05C17/44; E05C17/446
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.