US2612381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fifth wheel locking mechanism
Assignee: D W HODO
•
Filing: 1948-04-07
•
Granted: 1952-09-30
•
Expires: 1968-04-07
Abstract
No abstract record available.
Inventors
- 👤 Johnson Marvin Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:50
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0871; B62D53/0878
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US903884A
Cited
US1519451A
Cited
US1920192A
Cited
US2391372A
Cited
US2442914A
Cited
US2441293A
Cited
US2461212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |