Patent US2953410A successfully refreshed from Google Patents.
US2953410A
Expired / Lapsed
US
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Tractor-trailer dumping mechanism
Assignee: CONVERTO Manufacturing Co Inc
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Filing: 1957-03-20
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Granted: 1960-09-20
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Expires: 1977-03-20
Abstract
No abstract record available.
Inventors
- 👤 Donal W Chaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:10
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0807; B62D53/0821; B60; B60P; B60P1/00; B60P1/04; B60P1/16; B60P1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1498813A
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US2734519A
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US652757A
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US955875A
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US1261633A
Cited
US1405301A
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US2027098A
Cited
US2459506A
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US2710224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |