US3045695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston operated relief valve
Assignee: Oilgear Co
•
Filing: 1959-03-23
•
Granted: 1962-07-24
•
Expires: 1979-03-23
Abstract
No abstract record available.
Inventors
- 👤 James K Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:27
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0433; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7835; Y10T137/7837; Y10T137/785; Y10T137/7852; Y10T137/7853
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2400418A
Cited
US2303590A
Cited
US2667893A
Cited
US2774414A
Cited
US2884952A
Cited
US2767726A
Cited
US2852237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |