US3071146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure controller with relief valve
Assignee: Norgren LLC
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Filing: 1961-03-20
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Granted: 1963-01-01
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Expires: 1981-03-20
Abstract
No abstract record available.
Inventors
- 👤 Morley V Friedell
- 👤 Myron Dunn
- 👤 John Vanderhorst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:17
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/163; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0672; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2607; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7768; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/7823; Y10T137/7826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A FLUID PRESSURE CONTROLLER FOR MAINTAINING A PREDETERMINED OUTLET PRESSURE COMPRISING: A BODY INCLUDING INLET AND OUTLET OPENINGS, A COMBINATION MAIN VALVE AND RELIEF VALVE ASSEMBLY DISPOSED IN SAID BODY TO CONTROL FLUID FLOW BETWEEN THE INLET AND OUTLET, SAID ASSEMBLY INCLUDING A MAIN VALVE CHAMBER BETWEEN SAID INLET AND OUTLET, A PLUG CLOSING ONE END OF THE CHAMBER WITH A BORE PASSING THERETHROUGH TO THE ATMOSPHERE, A FLAT SURFACED ANNULAR VALVE SEAT DISPOSED IN THE CHAMBER IN SPACED FACING RELATION TO SAID PLUG, A TUBULAR RELIEF VALVE EXTENDING THROUGH SAID CHAMBER IN SPACED RELATION TO SAID VALVE SEAT AND HAVING ONE END DISPOSED IN SLIDABLE RELATION IN THE BORE, AN ANNULAR VALVE ELEMENT ON SAID RELIEF VALVE
Claim 2
Dependent Claim
118 words
A FLUID PRESSURE CONTROLLER FOR MAINTAINING A PREDETERMINED OUTLET PRESSURE COMPRISING: A BODY INCLUDING INLET AND OUTLET OPENINGS, A COMBINATION MAIN VALVE AND RELIEF VALVE ASSEMBLY DISPOSED IN SAID BODY TO CONTROL FLUID FLOW BETWEEN THE INLET AND OUTLET, SAID ASSEMBLY INCLUDING A MAIN VALVE CHAMBER BETWEEN SAID INLET AND OUTLET, A PLUG CLOSING ONE END OF THE CHAMBER WITH A BORE PASSING THERETHROUGH TO THE ATMOSPHERE, A FLAT SURFACED ANNULAR VALVE SEAT DISPOSED IN THE CHAMBER IN SPACED FACING RELATION TO SAID PLUG, A TUBULAR RELIEF VALVE EXTENDING THROUGH SAID CHAMBER IN SPACED RELATION TO SAID VALVE SEAT AND HAVING ONE END DISPOSED IN SLIDABLE RELATION IN THE BORE, AN ANNULAR VALVE ELEMENT ON SAID RELIEF VALVE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |