FR862487A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Locking device improvements
Assignee: Individual
•
Filing: 1939-08-29
•
Granted: 1941-03-07
•
Expires: 1959-08-29
Abstract
No abstract record available.
Inventors
- 👤 Marc Marchal
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 10:38
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/02; E05C3/04; E05C3/041; E05C3/042
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.