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Patent US2732746A successfully refreshed from Google Patents.
US3074428A
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US
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Damped pressure relief valve
Assignee: Old Carco LLC
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Filing: 1960-10-21
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Granted: 1963-01-22
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Expires: 1980-10-21
Abstract
No abstract record available.
Inventors
- 👤 Stanley C Mancewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:43
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0433; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K47/00; F16K47/01; F16K47/011; F16K47/0111; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/785; Y10T137/7904; Y10T137/7922; Y10T137/7925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A STABILIZING VALVE FOR USE IN CONJUNCTION WITH A PULSATING FLUID OUTPUT PRESSURE, CONDUIT MEANS ADAPTED TO BE CONNECTED WITH SAID PRESSURE, VALVE MEANS MOVABLE WITHIN SAID CONDUIT MEANS TO REGULATE THE FLUID FLOW THERETHROUGH ACCORDING TO SAID PRESSURE, A CYLINDRICAL COIL SPRING YIELDINGLY URGING SAID VALVE MEANS AXIALLY TOWARD A PREDETERMINED POSITION, AND DAMPING MEANS HAVING PARALLEL AXIALLY EXTENDING SIDES YIELDING ENGAGED FRICTIONALLY BY SAID SPRING MEANS TO DAMP THE RESILIENT MOVEMENT THEREOF URGING SAID VALVE MEANS TO SAID POSITION AND BEING FREELY FLOATING WITH RESPECT TO BOTH SAID VALVE AND CONDUIT MEANS AND BEING SHIFTABLE AXIALLY OF SAID SPRING.
Claim 2
Dependent Claim
102 words
IN A STABILIZING VALVE FOR USE IN CONJUNCTION WITH A PULSATING FLUID OUTPUT PRESSURE, CONDUIT MEANS ADAPTED TO BE CONNECTED WITH SAID PRESSURE, VALVE MEANS MOVABLE WITHIN SAID CONDUIT MEANS TO REGULATE THE FLUID FLOW THERETHROUGH ACCORDING TO SAID PRESSURE, A CYLINDRICAL COIL SPRING YIELDINGLY URGING SAID VALVE MEANS AXIALLY TOWARD A PREDETERMINED POSITION, AND DAMPING MEANS HAVING PARALLEL AXIALLY EXTENDING SIDES YIELDING ENGAGED FRICTIONALLY BY SAID SPRING MEANS TO DAMP THE RESILIENT MOVEMENT THEREOF URGING SAID VALVE MEANS TO SAID POSITION AND BEING FREELY FLOATING WITH RESPECT TO BOTH SAID VALVE AND CONDUIT MEANS AND BEING SHIFTABLE AXIALLY OF SAID SPRING.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |