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US2667982A
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Weight actuated elevator and transfer mechanism
Assignee: EVANS BROS PACKING Co
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Filing: 1951-05-01
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Granted: 1954-02-02
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Expires: 1971-05-01
Abstract
No abstract record available.
Inventors
- 👤 Ernest E Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:22
CPC Classifications
B; B66; B66B; B66B9/00; B66B9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US698933A
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US1178814A
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US1514079A
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US2362809A
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US2423557A
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US2609111A
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US2548767A
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US2569393A
Cited
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 |