Patent US3113587A successfully refreshed from Google Patents.
US3113587A
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US
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Ball check valve seat assembly
Assignee: Individual
•
Filing: 1961-06-09
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Granted: 1963-12-10
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Expires: 1981-06-09
Abstract
No abstract record available.
Inventors
- 👤 Lloyd A Hendley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:28
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7869; Y10T137/7871; Y10T137/7873
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A ONE-WAY CHECK VALVE ASSEMBLY COMPRISING A VALVE SEAT MEMBER HAVING A CENTRAL PORTION OF MINIMUM INTERNAL DIAMETER CONTIGUOUS WITH OUTWARDLY FLARING CONICAL PORTIONS TERMINATING AT OPPOSITE AXIAL ENDS ADAPTED TO BE CONNECTED TO FLOW CONDUITS, A BALL VALVE ELEMENT DISPOSED ON ONE SIDE OF THE CENTRAL PORTION FOR ENGAGEMENT WITH THE VALVE SEAT MEMBER ON SAID ONE SIDE THEREOF AND OF A DIAMETER INTERMEDIATE THE INTERNAL DIAMETERS OF SAID CENTRAL PORTION AND THE AXIAL ENDS OF THE VALVE SEAT MEMBER, A LIMIT PIN TRANSVERSELY MOUNTED IN THE VALVE SEAT MEMBER ON THE OTHER SIDE OF THE CENTRAL PORTION AND SPACED THEREFROM FOR CONTACT BY THE BALL VALVE ELEMENT SIMULTANEOUSLY WITH ITS ENGAGEMENT WITH SAID ONE SIDE OF THE VALVE SEAT MEMBER, THEREBY LIMITING THE PROJECTION OF THE BALL VALVE ELEMENT THROUGH SAID CENTRAL PORTION AND ARRESTING SAID BALL VALVE ELEMENT WHEN IT SEATS AND BEFORE IT CAN WEDGE AND STICK IN THE VALVE SEAT MEMBER.
Claim 2
Dependent Claim
156 words
A ONE-WAY CHECK VALVE ASSEMBLY COMPRISING A VALVE SEAT MEMBER HAVING A CENTRAL PORTION OF MINIMUM INTERNAL DIAMETER CONTIGUOUS WITH OUTWARDLY FLARING CONICAL PORTIONS TERMINATING AT OPPOSITE AXIAL ENDS ADAPTED TO BE CONNECTED TO FLOW CONDUITS, A BALL VALVE ELEMENT DISPOSED ON ONE SIDE OF THE CENTRAL PORTION FOR ENGAGEMENT WITH THE VALVE SEAT MEMBER ON SAID ONE SIDE THEREOF AND OF A DIAMETER INTERMEDIATE THE INTERNAL DIAMETERS OF SAID CENTRAL PORTION AND THE AXIAL ENDS OF THE VALVE SEAT MEMBER, A LIMIT PIN TRANSVERSELY MOUNTED IN THE VALVE SEAT MEMBER ON THE OTHER SIDE OF THE CENTRAL PORTION AND SPACED THEREFROM FOR CONTACT BY THE BALL VALVE ELEMENT SIMULTANEOUSLY WITH ITS ENGAGEMENT WITH SAID ONE SIDE OF THE VALVE SEAT MEMBER, THEREBY LIMITING THE PROJECTION OF THE BALL VALVE ELEMENT THROUGH SAID CENTRAL PORTION AND ARRESTING SAID BALL VALVE ELEMENT WHEN IT SEATS AND BEFORE IT CAN WEDGE AND STICK IN THE VALVE SEAT MEMBER.
References Cited (Backward Citations)
US343327A
Cited
US2328014A
Cited
US2899974A
Cited
US2424108A
Cited
US2431593A
Cited
US2545000A
Cited
US3077204A
Cited
US2981285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |