Patent US2668062A successfully refreshed from Google Patents.
US2668062A
Expired / Lapsed
US
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Vehicle trailer with demountable hydraulic lift
Assignee: International Motors LLC
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Filing: 1951-08-31
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Granted: 1954-02-02
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Expires: 1971-08-31
Abstract
No abstract record available.
Inventors
- 👤 William D Drummond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:20
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/14; A01B63/16; A01B63/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2164845A
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US2323412A
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US2222116A
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US2392006A
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US2532577A
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US2580100A
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US2501750A
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US2588918A
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US2545111A
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US2540100A
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US2495449A
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US2577885A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |