US3205909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure controller
Assignee: GE Healthcare UK Ltd
•
Filing: 1963-01-18
•
Granted: 1965-09-14
•
Expires: 1983-01-18
Abstract
No abstract record available.
Inventors
- 👤 Oldfield Thomas Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:50
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/166; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/8158; Y10T137/8225; Y10T137/8242; Y10T137/8326; Y10T137/8811
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A FLUID-PRESSURE RELIEF VALVE FOR USE AT THE OUTLET OF A PRESSURE-REDUCING VALVE, SAID RELIEF VALVE COMPRISING A HOUSING FORMED WITH A VALVE SEAT CONNECTING AN INLET CHAMBER WITH AN OUTLET CHAMBER, SAID OUTLET CHAMBER HAVING A RESTRICTED ATMOSPHERIC OUTLET, AND WITH A TIMEDELAY RESERVOIR COMMUNICTING WITH SAID OUTLET CHAMBER THROUGH AN ORIFICE WHICH IS SMALL IN COMPARISON WITH SAID ATMOSPHRIC OUTLET, A VALVE ELEMENT CO-OPERATING WITH SAID VALVE SEAT, SPRING MEANS URGING SAID VALVE ELEMENT ON TO SAID SEAT AGAISNT THE ACTION OF THE PRESSURE IN SAID INLET CHAMBER, AND INDICATOR MEANS RENDERED
Claim 2
Dependent Claim
94 words
A FLUID-PRESSURE RELIEF VALVE FOR USE AT THE OUTLET OF A PRESSURE-REDUCING VALVE, SAID RELIEF VALVE COMPRISING A HOUSING FORMED WITH A VALVE SEAT CONNECTING AN INLET CHAMBER WITH AN OUTLET CHAMBER, SAID OUTLET CHAMBER HAVING A RESTRICTED ATMOSPHERIC OUTLET, AND WITH A TIMEDELAY RESERVOIR COMMUNICTING WITH SAID OUTLET CHAMBER THROUGH AN ORIFICE WHICH IS SMALL IN COMPARISON WITH SAID ATMOSPHRIC OUTLET, A VALVE ELEMENT CO-OPERATING WITH SAID VALVE SEAT, SPRING MEANS URGING SAID VALVE ELEMENT ON TO SAID SEAT AGAISNT THE ACTION OF THE PRESSURE IN SAID INLET CHAMBER, AND INDICATOR MEANS RENDERED
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |