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US2861841A
Expired / Lapsed
US
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Hydraulic lift for fish and the like
Assignee: Individual
•
Filing: 1954-04-13
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Granted: 1958-11-25
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Expires: 1974-04-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Pengra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:41
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/14; B63B35/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2736121A
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US1444069A
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US1879085A
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US1908220A
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US2019968A
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US2014770A
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US2513004A
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US2666671A
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US2722461A
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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) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |