Patent US2859050A successfully refreshed from Google Patents.
US2859050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor towing hitch
Assignee: Individual
•
Filing: 1956-01-12
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Granted: 1958-11-04
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Expires: 1976-01-12
Abstract
No abstract record available.
Inventors
- 👤 Creed I Stonerock
- 👤 Earl E Dooley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:32
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/06; B62D49/0621; B62D49/0642; B60; B60D; B60D1/00; B60D1/14; B60D1/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1381761A
Cited
US1383470A
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US1779192A
Cited
US2139970A
Cited
US2274767A
Cited
US2196115A
Cited
US2322576A
Cited
US2410280A
Cited
US2601992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |