US2673965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball and socket trailer hitch with means to conduct current therethrough
Assignee: Individual
•
Filing: 1950-06-26
•
Granted: 1954-03-30
•
Expires: 1970-06-26
Abstract
No abstract record available.
Inventors
- 👤 William C Cass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:30
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/58; B60D1/62; B60D1/01; B60D1/06; B60D1/065; H; H01; H01R; H01R35/00; H01R35/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US284805A
Cited
US1376162A
Cited
FR601602A
Cited
US2000743A
Cited
US2020088A
Cited
US2143322A
Cited
US2404564A
Cited
GB613246A
Cited
US2564520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |