Patent US2671675A successfully refreshed from Google Patents.
US2671675A
Expired / Lapsed
US
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Detachable cover for trailer hitches
Assignee: Individual
•
Filing: 1950-01-07
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Granted: 1954-03-09
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Expires: 1970-01-07
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Swaisgood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:32
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/58; B60D1/60; B60D1/605; B60R; B60R19/00; B60R19/02; B60R19/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2342907A
Cited
US2464423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |