US2589850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control valve for telemotor type hydraulic power lift
Assignee: International Motors LLC
•
Filing: 1947-02-14
•
Granted: 1952-03-18
•
Expires: 1967-02-14
Abstract
No abstract record available.
Inventors
- 👤 John R Orelind
- 👤 Carl W Mott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:21
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US897907A
Cited
US2010645A
Cited
US2192963A
Cited
DE702983C
Cited
US2292916A
Cited
US2385942A
Cited
GB558460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |