Patent US2692584A successfully refreshed from Google Patents.
US2692584A
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US
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Expansible chamber type hydraulic hoist construction
Assignee: Motors Liquidation Co
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Filing: 1952-03-18
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Granted: 1954-10-26
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Expires: 1972-03-18
Abstract
No abstract record available.
Inventors
- 👤 Raymond Q Armington
- 👤 Harold C Schindler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:45
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/16; Y; Y10; Y10S; Y10S92/00; Y10S92/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1690037A
Cited
CH122141A
Cited
US2204365A
Cited
US2145384A
Cited
US2231242A
Cited
US2334396A
Cited
US2471989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |