US2714854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for maintaining accumulator pressures within close limits
Assignee: Oilgear Co
•
Filing: 1952-03-28
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Granted: 1955-08-09
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Expires: 1972-03-28
Abstract
No abstract record available.
Inventors
- 👤 Tyler Ransom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:16
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/027; F15B1/0275; F15B1/033; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2617; Y10T137/262; Y10T137/263; Y10T137/264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1037879A
Cited
US2458933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |