US3204924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve seats and mounting therefor
Assignee: Crane Co
•
Filing: 1962-05-17
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Granted: 1965-09-07
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Expires: 1982-05-17
Abstract
No abstract record available.
Inventors
- 👤 Kurt B Bredtschneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:05
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/14; F16K5/20; F16K5/205; F16K5/207; F16K3/00; F16K3/02; F16K3/0227; F16K3/0236
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A PORTED VALVE BODY, A VALVE SEAT ASSEMBLY THEREFOR, AND A CLOSURE MEMBER COOPERATING WITH SAID SEAT ASSEMBLY; THE COMBINATION OF INNER AND OUTER ANNULAR MEMBERS CONSTITUTING A PORTION OF SAID VALVE SEAT ASSEMBLY; DIAPHRAGM MEANS OF ANNULAR CONFIGURATION INTERPOSED BETWEEN AN INNER FACE OF THE OUTER ANNULAR MEMBER AND AN OUTER FACE OF SAID INNER ANNULAR MEMBER; AT LEAST ONE OF SAID LATTER FACES BEING SLOPED WHEREBY UPON ASSEMBLY OF SAID DIAPHRAGM MEANS BETWEEN SAID FACES, SAID DIAPHRAGM MEANS WILL BE DEFLECTED LIMITEDLY TO IMPART A LONGITUDINAL FORCE AGAINST SAID VALVE SEAT IN A DIRECTION TOWARD SAID CLOSE MEMBER; AND WELD MEAND FOR JOINING SAID DIAPHRAGM MEANS TO BOTH OF SAID ANNULAR MEMBERS IN FLUID SEALING RELATION.
Claim 2
Dependent Claim
118 words
A PORTED VALVE BODY, A VALVE SEAT ASSEMBLY THEREFOR, AND A CLOSURE MEMBER COOPERATING WITH SAID SEAT ASSEMBLY; THE COMBINATION OF INNER AND OUTER ANNULAR MEMBERS CONSTITUTING A PORTION OF SAID VALVE SEAT ASSEMBLY; DIAPHRAGM MEANS OF ANNULAR CONFIGURATION INTERPOSED BETWEEN AN INNER FACE OF THE OUTER ANNULAR MEMBER AND AN OUTER FACE OF SAID INNER ANNULAR MEMBER; AT LEAST ONE OF SAID LATTER FACES BEING SLOPED WHEREBY UPON ASSEMBLY OF SAID DIAPHRAGM MEANS BETWEEN SAID FACES, SAID DIAPHRAGM MEANS WILL BE DEFLECTED LIMITEDLY TO IMPART A LONGITUDINAL FORCE AGAINST SAID VALVE SEAT IN A DIRECTION TOWARD SAID CLOSE MEMBER; AND WELD MEAND FOR JOINING SAID DIAPHRAGM MEANS TO BOTH OF SAID ANNULAR MEMBERS IN FLUID SEALING RELATION.
References Cited (Backward Citations)
US1489857A
Cited
US1942155A
Cited
US2191232A
Cited
US2603449A
Cited
US2799470A
Cited
US2777664A
Cited
US2772848A
Cited
US3042359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |