US3080883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricated valve
Assignee: Cooper Industries LLC
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Filing: 1960-10-25
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Granted: 1963-03-12
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Expires: 1980-10-25
Abstract
No abstract record available.
Inventors
- 👤 Allen Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:56
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/30; F16K3/36; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/4379
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
A LUBRICATED VALVE, COMPRISING A BODY HAVING A FLOWWAY THERETHROUGH AND A CAVITY THEREIN INTERSECTING OPPOSITE SIDES OF THE FLOWWAY, A GATE HAVING A PORT THERETHROUGH, MEANS FOR RECIPROCATING THE GATE WITHIN THE CAVITY BETWEEN A POSITION IN WHICH ITS PORT IS ALIGNED WITH THE FLOWWAY TO OPEN SAME AND ANOTHER POSITION IN WHICH A SOLID PORTION ON THE GATE IS DISPOSED ACROSS THE FLOWWAY TO CLOSE SAME AND THE PORT IS DISPOSED WITHIN ONE SIDE OF THE CAVITY, A PLATE BETWEEN EACH SIDE OF THE GATE AND THE BODY CAVITY MOUNTING AN ANNULAR SEAT TO CONNECT THE FLOWWAY AND GATE PORT IN THE OPEN POSITION OF THE GATE AND COVERING OPPOSITE SIDES OF THE GATE PORT IN THE CLOSED POSITION OF THE GATE, MEANS CONNECTING THE CAVITY ON OPPOSITE ENDS OF THE GATE TO PERMIT LUBRICANT TO FLOW THEREBETWEEN DURING OPENING AND CLOSING OF THE GATE, ANNULAR SEAL MEANS BETWEEN EACH PLATE AND THE BODY CAVITY FOR EXCLUDING SAID LUBRICANT IN SAID CAVITY FROM AN AREA ON THE OUTER SIDE OF THE PLATE SUBSTANTIALLY CONCENTRIC OF AND EQUAL TO THE AREA OF THE INNER SIDE OF THE PLATE OPPOSITE THE PORT OF THE GATE IN ITS CLOSED POSITION, AND A VENT IN EACH PLATE CONNECTING SAID AREAS.
Claim 2
Dependent Claim
208 words
A LUBRICATED VALVE, COMPRISING A BODY HAVING A FLOWWAY THERETHROUGH AND A CAVITY THEREIN INTERSECTING OPPOSITE SIDES OF THE FLOWWAY, A GATE HAVING A PORT THERETHROUGH, MEANS FOR RECIPROCATING THE GATE WITHIN THE CAVITY BETWEEN A POSITION IN WHICH ITS PORT IS ALIGNED WITH THE FLOWWAY TO OPEN SAME AND ANOTHER POSITION IN WHICH A SOLID PORTION ON THE GATE IS DISPOSED ACROSS THE FLOWWAY TO CLOSE SAME AND THE PORT IS DISPOSED WITHIN ONE SIDE OF THE CAVITY, A PLATE BETWEEN EACH SIDE OF THE GATE AND THE BODY CAVITY MOUNTING AN ANNULAR SEAT TO CONNECT THE FLOWWAY AND GATE PORT IN THE OPEN POSITION OF THE GATE AND COVERING OPPOSITE SIDES OF THE GATE PORT IN THE CLOSED POSITION OF THE GATE, MEANS CONNECTING THE CAVITY ON OPPOSITE ENDS OF THE GATE TO PERMIT LUBRICANT TO FLOW THEREBETWEEN DURING OPENING AND CLOSING OF THE GATE, ANNULAR SEAL MEANS BETWEEN EACH PLATE AND THE BODY CAVITY FOR EXCLUDING SAID LUBRICANT IN SAID CAVITY FROM AN AREA ON THE OUTER SIDE OF THE PLATE SUBSTANTIALLY CONCENTRIC OF AND EQUAL TO THE AREA OF THE INNER SIDE OF THE PLATE OPPOSITE THE PORT OF THE GATE IN ITS CLOSED POSITION, AND A VENT IN EACH PLATE CONNECTING SAID AREAS.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |