FR1144733A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Semi-trailer hitch
Assignee: Marcel-Joseph Grison
•
Filing: 1956-01-17
•
Granted: 1957-10-17
•
Expires: 1976-01-17
Abstract
No abstract record available.
Inventors
- 👤 Marcel-Joseph Grison
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 21:13
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/12; B62D53/125; B62D53/10
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.