Patent US2571349A successfully refreshed from Google Patents.
US2571349A
Expired / Lapsed
US
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Trailer hitch lock
Assignee: Individual
•
Filing: 1949-10-17
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Granted: 1951-10-16
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Expires: 1969-10-17
Abstract
No abstract record available.
Inventors
- 👤 Eckles Noble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:51
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/58; B60D1/60; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/50; Y10T70/5611; Y10T70/5854; Y10T70/5867
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US163359A
Cited
US1923767A
Cited
GB460462A
Cited
US2142365A
Cited
US2139970A
Cited
US2438749A
Cited
US2481139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |