Patent US3204930A successfully refreshed from Google Patents.
US3204930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Renewable seat for globe valves
Assignee: Crane Co
•
Filing: 1963-02-25
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Granted: 1965-09-07
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Kurt B Bredtschneider
- 👤 Gordon H Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:44
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A RENEWABLE VALVE SEAT CONSTRUCTION, THE COMBINATION OF A PORTED VALVE BODY HAVING SIDE DISPOSED PASSAGEWAYS, A VALVE BONNET HAVING A PASSAGEWAYS CONNECTING SAID DISPOSED BODY PASSAGEWAYS IN SAID PORTED BODY, A RENEWABLE VALVE SEAT RING RETAINED IN FLUID SEALING RELATION BETWEEN SAID BODY AND BONNET, THE SAID BODY AND BONNET HAVING THEREBETWEEN A RECESSED PORTION ADJOINING AT LEAST ONE OF THE SAID PORTED PORTIONS OF THE SAID VALVE BODY, SAID VALVE SEAT RING BEING RECEIVED BETWEEN SAID BODY AND BONNET IN THE RECESSED PORTION OF SAID BODY AND HAVING ANNULAR SURFACES FORMED THEREON TO COOPERATE WITH A VALVE CLOSURE MEMBER, THE SAID VALVE SEAT RING BEING POSITIONED ADJACENT THE INNER END OF ONE OF THE SAID PASSAGEWAYS IN SAID VALVE BODY AND BEING RELATIVELY LOOSELY RECEIVED IN SAID BODY RECESSED PORTION WHEREBY TO PERMIT PREDETERMINED TRANSVERSE MOVEMENT OF SAID VALVE SEAT RING AND AXIAL ALIGNMENT ADJUSTABILITY OF THE SEAT RELATIVE TO THE CLOSURE MEMBER DURING VALVE ASSEMBLY.
Claim 2
Dependent Claim
159 words
IN A RENEWABLE VALVE SEAT CONSTRUCTION, THE COMBINATION OF A PORTED VALVE BODY HAVING SIDE DISPOSED PASSAGEWAYS, A VALVE BONNET HAVING A PASSAGEWAYS CONNECTING SAID DISPOSED BODY PASSAGEWAYS IN SAID PORTED BODY, A RENEWABLE VALVE SEAT RING RETAINED IN FLUID SEALING RELATION BETWEEN SAID BODY AND BONNET, THE SAID BODY AND BONNET HAVING THEREBETWEEN A RECESSED PORTION ADJOINING AT LEAST ONE OF THE SAID PORTED PORTIONS OF THE SAID VALVE BODY, SAID VALVE SEAT RING BEING RECEIVED BETWEEN SAID BODY AND BONNET IN THE RECESSED PORTION OF SAID BODY AND HAVING ANNULAR SURFACES FORMED THEREON TO COOPERATE WITH A VALVE CLOSURE MEMBER, THE SAID VALVE SEAT RING BEING POSITIONED ADJACENT THE INNER END OF ONE OF THE SAID PASSAGEWAYS IN SAID VALVE BODY AND BEING RELATIVELY LOOSELY RECEIVED IN SAID BODY RECESSED PORTION WHEREBY TO PERMIT PREDETERMINED TRANSVERSE MOVEMENT OF SAID VALVE SEAT RING AND AXIAL ALIGNMENT ADJUSTABILITY OF THE SEAT RELATIVE TO THE CLOSURE MEMBER DURING VALVE ASSEMBLY.
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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) | 1968-09-06 | 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 |