US3289686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure or temperature responsive relief valve
Assignee: Individual
•
Filing: 1963-11-15
•
Granted: 1966-12-06
•
Expires: 1983-11-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Clarence C Tyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:29
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/003; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/065; F16K17/02; F16K17/04; F16K17/0486; F16K2200/00; F16K2200/30; F16K2200/302; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1804; Y10T137/1812; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7905; Y10T137/7922; Y10T137/7924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PRESSURE OR TEMPERATURE RESPONSIVE RELIEF VALVE COMPRISING A VALVE HOUSING HAVING AN INLET AND AN OUTLET, SAID HOUSING CONTAINING A VALVE SEAT INTERPOSED BETWEEN SAID INLET AND OUTLET, A VALVE ENGAGING SAID VALVE SEAT FOR CLOSING THE PASSAGE BETWEEN THE INLET AND OUTLET, A FIRST SPRING DISPOSED ON ONE SIDE OF AND CONNECTED TO SAID VALVE AND URGING THE VALVE TO AN OPEN POSITION, AND A SECOND STRONGER SPRING CONNECTED TO AND DISPOSED ON THE OPPOSITE SIDE OF SAID VALVE AND NORMALLY RETAINING THE VALVE IN A CLOSED POSITION, SAID VALVE OPENING AWAY FROM
Claim 2
Dependent Claim
95 words
A PRESSURE OR TEMPERATURE RESPONSIVE RELIEF VALVE COMPRISING A VALVE HOUSING HAVING AN INLET AND AN OUTLET, SAID HOUSING CONTAINING A VALVE SEAT INTERPOSED BETWEEN SAID INLET AND OUTLET, A VALVE ENGAGING SAID VALVE SEAT FOR CLOSING THE PASSAGE BETWEEN THE INLET AND OUTLET, A FIRST SPRING DISPOSED ON ONE SIDE OF AND CONNECTED TO SAID VALVE AND URGING THE VALVE TO AN OPEN POSITION, AND A SECOND STRONGER SPRING CONNECTED TO AND DISPOSED ON THE OPPOSITE SIDE OF SAID VALVE AND NORMALLY RETAINING THE VALVE IN A CLOSED POSITION, SAID VALVE OPENING AWAY FROM
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |