US2624477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-operated elevator and tail gate
Assignee: FRANK G CAMPBELL
•
Filing: 1949-06-20
•
Granted: 1953-01-06
•
Expires: 1969-06-20
Abstract
No abstract record available.
Inventors
- 👤 Kirwan Y Messick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:00
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/44; B60P1/4414
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1929112A
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US2075954A
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US2367784A
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US2348993A
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US2391813A
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US2389221A
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US2456805A
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US2469321A
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US2480528A
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US2525424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |