US3105507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid relief valve
Assignee: Individual
•
Filing: 1961-11-13
•
Granted: 1963-10-01
•
Expires: 1981-11-13
Abstract
No abstract record available.
Inventors
- 👤 Dunmire Hannah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:55
CPC Classifications
F; F16; F16K; F16K17/00; F16K15/00; F16K15/14; F16K15/144; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1804; Y10T137/8593; Y10T137/87265; Y10T137/8733
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A RELIEF VALVE COMPRISING A CASING DEFINING A VALVE CHAMBER AND INLET AND OUTLET PORTS THEREFOR, SAID INLET PORT COMPRISING AN ANNULAR VALVE SEAT WITHIN SAID CHAMBER, A FLEXIBLE DIAPHRAGM WITHIN SAID VALVE CHAMBER AND SECURED TO A PORTION OF SAID CASING FOR ENGAGEMENT WITH SAID SEAT TO CLOSE SAID INLET PORT, A RIGID BACKING MEMBER ADJUSTABLY MOUNTED ON SAID CASING FOR MOVEMENT RELATIVE TO SAID PORTION AND FOR MOVEMENT TOWARD AND AWAY FROM SAID VALVE SEAT, SAID BACKING MEMBER ENGAGING SAID DIAPHRAGM ONLY AT POINTS RADIALLY OFFSET RELATIVE TO SAID ANNULAR VALVE SEAT FOR PRESTRESSING SAID DIAPHRAGM WITHIN ITS ELASTIC LIMIT AND BIASING IT AGAINST SAID SEAT TO CLOSE SAID INLET PORT, SAID DIAPHRAGM BEING FREE TO FLEX BETWEEN THE POINTS OF ENGAGEMENT BY SAID BACKING MEMBER AND ITS POINTS OF ENGAGEMENT WITH SAID SEAT WHEN SAID BACKING MEMBER IS IN A FIXED ADJUSTED PORTION RELATIVE TO SAID
Claim 2
Dependent Claim
149 words
A RELIEF VALVE COMPRISING A CASING DEFINING A VALVE CHAMBER AND INLET AND OUTLET PORTS THEREFOR, SAID INLET PORT COMPRISING AN ANNULAR VALVE SEAT WITHIN SAID CHAMBER, A FLEXIBLE DIAPHRAGM WITHIN SAID VALVE CHAMBER AND SECURED TO A PORTION OF SAID CASING FOR ENGAGEMENT WITH SAID SEAT TO CLOSE SAID INLET PORT, A RIGID BACKING MEMBER ADJUSTABLY MOUNTED ON SAID CASING FOR MOVEMENT RELATIVE TO SAID PORTION AND FOR MOVEMENT TOWARD AND AWAY FROM SAID VALVE SEAT, SAID BACKING MEMBER ENGAGING SAID DIAPHRAGM ONLY AT POINTS RADIALLY OFFSET RELATIVE TO SAID ANNULAR VALVE SEAT FOR PRESTRESSING SAID DIAPHRAGM WITHIN ITS ELASTIC LIMIT AND BIASING IT AGAINST SAID SEAT TO CLOSE SAID INLET PORT, SAID DIAPHRAGM BEING FREE TO FLEX BETWEEN THE POINTS OF ENGAGEMENT BY SAID BACKING MEMBER AND ITS POINTS OF ENGAGEMENT WITH SAID SEAT WHEN SAID BACKING MEMBER IS IN A FIXED ADJUSTED PORTION RELATIVE TO SAID
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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |