Patent US2854852A successfully refreshed from Google Patents.
US2854852A
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Operating lever assembly for winchtype hoist
Assignee: Aluminum Products Inc
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Filing: 1956-11-20
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Granted: 1958-10-07
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Expires: 1976-11-20
Abstract
No abstract record available.
Inventors
- 👤 Walter C Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:33
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/12; B; B66; B66D; B66D3/00; B66D3/12; B66D3/14; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/59; Y10T403/598; Y10T403/599; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20612; Y10T74/20732; Y10T74/20738; Y10T74/20744; Y10T74/20756; Y10T74/20762; Y10T74/20768; Y10T74/20774
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1428824A
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US1923123A
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US2266643A
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US2377324A
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US2470019A
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US2738954A
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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) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |