US3063739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer fifth wheel couplings
Assignee: Davies Magnet Works Ltd
•
Filing: 1958-09-02
•
Granted: 1962-11-13
•
Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 Davies Philip Morey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:52
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0871; B62D53/0878
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1441293A
Cited
US2567312A
Cited
US2681236A
Cited
US2667364A
Cited
US2712948A
Cited
US2773701A
Cited
US2843398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |