Patent US4016054A successfully refreshed from Google Patents.
Patent US3081919A successfully refreshed from Google Patents.
US3081919A
Expired / Lapsed
US
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Combination dispensing and excess pressure relief valve
Assignee: Gulf Research and Development Co
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Filing: 1959-04-03
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Granted: 1963-03-19
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Expires: 1979-04-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:32
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/48; B65D83/16; B65D83/162; B65D83/70; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265; Y10T137/87378
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A COMBINATION DISPENSING AND EXCESS PRESSURE RELIEF VALVE COMPRISING A VALVE HOUSING WITH AN OPEN INLET END, MEANS DEFINING A DISPENSING PASSAGEWAY EXTENDING THROUGH SAID HOUSING, A FIRST MOVEABLE VALVE MEMBER AND COOPERATIVE VALVE SEAT SEALING SAID DISPENSING PASSAGEWAY, SAID FIRST MOVABLE VALVE MEMBER BEING MOVEABLE IN A DIRECTION AGAINST FLUID PRESSURE FROM SAID INLET END OF SAID HOUSING TO OPEN SAID DISPENSING PASSAGE-WAY, A SECOND MOVEABLE VALVE MEMBER AND COOPERATIVE VALVE SEAT SUBSTANTIALLY COAXIAL WITH SAID FIRST MOVEABLE VALVE MEMBER, AND SEALING SAID HOUSING FROM THE FLOW OF FLUID THERETHROUGH FROM SAID INLET END, SAID SECOND MOVEABLE VALVE MEMBER BEING MOVEABLE IN A DIRECTION WITH FLUID PRESSURE FROM SAID INLET END OF SAID HOUSING TO OPEN SAID HOUSING FOR THE FLOW OF FLUID THERETHROUGH FROM SAID INLET END, AND MEANS RESILIENTLY URGING SAID SECOND VALVE MEMBER CLOSED WITH A PRE-DETERMINED FORCE.
Claim 2
Dependent Claim
142 words
A COMBINATION DISPENSING AND EXCESS PRESSURE RELIEF VALVE COMPRISING A VALVE HOUSING WITH AN OPEN INLET END, MEANS DEFINING A DISPENSING PASSAGEWAY EXTENDING THROUGH SAID HOUSING, A FIRST MOVEABLE VALVE MEMBER AND COOPERATIVE VALVE SEAT SEALING SAID DISPENSING PASSAGEWAY, SAID FIRST MOVABLE VALVE MEMBER BEING MOVEABLE IN A DIRECTION AGAINST FLUID PRESSURE FROM SAID INLET END OF SAID HOUSING TO OPEN SAID DISPENSING PASSAGE-WAY, A SECOND MOVEABLE VALVE MEMBER AND COOPERATIVE VALVE SEAT SUBSTANTIALLY COAXIAL WITH SAID FIRST MOVEABLE VALVE MEMBER, AND SEALING SAID HOUSING FROM THE FLOW OF FLUID THERETHROUGH FROM SAID INLET END, SAID SECOND MOVEABLE VALVE MEMBER BEING MOVEABLE IN A DIRECTION WITH FLUID PRESSURE FROM SAID INLET END OF SAID HOUSING TO OPEN SAID HOUSING FOR THE FLOW OF FLUID THERETHROUGH FROM SAID INLET END, AND MEANS RESILIENTLY URGING SAID SECOND VALVE MEMBER CLOSED WITH A PRE-DETERMINED FORCE.
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |