US2663574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer with detachable gooseneck
Assignee: Individual
•
Filing: 1946-10-09
•
Granted: 1953-12-22
•
Expires: 1966-10-09
Abstract
No abstract record available.
Inventors
- 👤 William E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:44
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/22; B60P3/2205; B60P3/2225; B60P1/00; B60P1/64; B62; B62D; B62D53/00; B62D53/04; B62D53/06; B62D53/061; B62D53/062; B62D53/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1391962A
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US2091009A
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US2062053A
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US2131949A
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US2223375A
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US2266913A
Cited
US2325869A
Cited
US2256594A
Cited
US2312769A
Cited
US2350841A
Cited
US2377315A
Cited
US2383666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |