US3077201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal seat construction for a ball valve
Assignee: MCC Holdings Inc
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Filing: 1961-06-26
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Granted: 1963-02-12
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Expires: 1981-06-26
Abstract
No abstract record available.
Inventors
- 👤 Robert P Dumm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:25
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K5/0663; F16K5/0673; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6031; Y10T137/6035; Y10T137/6038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A VALVE COMPRISING A BODY, SAID BODY HAVING AN INTAKE AND AN OUTLET PORT THEREIN, A BALL ROTATABLY MOUNTED IN SAID BODY BETWEEN SAID INTAKE AND OUTLET PORTS, A SEAL SEAT ASSEMBLY IN SAID BODY ENGAGEABLE WITH THE BALL, SAID SEAL SEAT ASSEMBLY COMPRISING A METAL HOUSING, SAID METAL HOUSING HAVING A GROOVE FORMED THEREIN, A SEALING RING IN SAID GROOVE, ONE FACE OF THE SEALING RING ENGAGING THE BALL, AND PACKING MEANS POSITIONED BETWEEN THE SEALING RING AND SAID METAL HOUSING, SAID PACKING MEANS BEING WITHIN SAID GROOVE IN THE HOUSING, SAID HOUSING HAVING A PRESSURE RELIEF VENT HOLE THEREIN TO RELIEVE AIR PRESSURE ON ASSEMBLY OF THE SEALING RING IN THE HOUSING, AND A PLUG IN SAID VENT HOLE TO CLOSE THE SAME.
Claim 2
Dependent Claim
125 words
A VALVE COMPRISING A BODY, SAID BODY HAVING AN INTAKE AND AN OUTLET PORT THEREIN, A BALL ROTATABLY MOUNTED IN SAID BODY BETWEEN SAID INTAKE AND OUTLET PORTS, A SEAL SEAT ASSEMBLY IN SAID BODY ENGAGEABLE WITH THE BALL, SAID SEAL SEAT ASSEMBLY COMPRISING A METAL HOUSING, SAID METAL HOUSING HAVING A GROOVE FORMED THEREIN, A SEALING RING IN SAID GROOVE, ONE FACE OF THE SEALING RING ENGAGING THE BALL, AND PACKING MEANS POSITIONED BETWEEN THE SEALING RING AND SAID METAL HOUSING, SAID PACKING MEANS BEING WITHIN SAID GROOVE IN THE HOUSING, SAID HOUSING HAVING A PRESSURE RELIEF VENT HOLE THEREIN TO RELIEVE AIR PRESSURE ON ASSEMBLY OF THE SEALING RING IN THE HOUSING, AND A PLUG IN SAID VENT HOLE TO CLOSE THE SAME.
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |