US2635919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dumping trailer and endgate control therefor
Assignee: Individual
•
Filing: 1949-07-20
•
Granted: 1953-04-21
•
Expires: 1969-07-20
Abstract
No abstract record available.
Inventors
- 👤 Charles W Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:48
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0807; B62D53/0821; B60; B60P; B60P1/00; B60P1/04; B60P1/06; B60P1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1652262A
Cited
US1682882A
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US2018838A
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US2319840A
Cited
US2309787A
Cited
US2542795A
Cited
US2517933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |