US2692584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansible chamber type hydraulic hoist construction
Assignee: Motors Liquidation Co
•
Filing: 1952-03-18
•
Granted: 1954-10-26
•
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 14:34
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |