US2581333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tail gate lift for trucks and the like
Assignee: U S MACHINE Corp
•
Filing: 1948-01-19
•
Granted: 1952-01-01
•
Expires: 1968-01-19
Abstract
No abstract record available.
Inventors
- 👤 Wilber W Vawter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:49
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/44; B60P1/4414; B60P1/4421
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US758493A
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US999163A
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US1917621A
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US1977655A
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US2151338A
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US2141670A
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US2200436A
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US2421788A
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US2418494A
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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) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |