Patent US3108616A successfully refreshed from Google Patents.
US3108616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat motor operated valve
Assignee: General Controls Co
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Filing: 1961-10-19
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Granted: 1963-10-29
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Expires: 1981-10-19
Abstract
No abstract record available.
Inventors
- 👤 William A Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:17
CPC Classifications
F; F23; F23N; F23N1/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928; Y10T137/87265; Y10T137/8741
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A VALVE STRUCTURE: A VALVE BODY HAVING AN INLET PASSAGE AND AN OUTLET PASSAGE; SAID BODY HAVING A WALL SEPARATING THE PASSAGES; SAID WALL HAVING A PAIR OF PORTS, EACH DEFINING A VALVE CLOSURE SEAT; A HEAT MOTOR WITHIN THE BODY, AND INCLUDING A ROD CAPABLE OF LONGITUDINAL EXPANSION UPON THE APPLICATION OF HEAT; FIRST AND SECOND CLOSURES RESPECTIVELY COOPERATING WITH SAID SEATS; A SNAPACTION DEVICE INTERPOSED BETWEEN ONE END OF THE ROD AND THE FIRST CLOSURE AND ARRANGED TO BE OPERATED WHEN THE ROD EXPANDS TO A DEFINITE VALUE; AND MEANS COUPLING THE OTHER END OF THE ROD AND THE SECOND CLOSURE FOR MOVING SAID SECOND CLOSURE TO OPEN POSITION UPON FURTHER EXPANSION OF THE ROD.
Claim 2
Dependent Claim
118 words
IN A VALVE STRUCTURE: A VALVE BODY HAVING AN INLET PASSAGE AND AN OUTLET PASSAGE; SAID BODY HAVING A WALL SEPARATING THE PASSAGES; SAID WALL HAVING A PAIR OF PORTS, EACH DEFINING A VALVE CLOSURE SEAT; A HEAT MOTOR WITHIN THE BODY, AND INCLUDING A ROD CAPABLE OF LONGITUDINAL EXPANSION UPON THE APPLICATION OF HEAT; FIRST AND SECOND CLOSURES RESPECTIVELY COOPERATING WITH SAID SEATS; A SNAPACTION DEVICE INTERPOSED BETWEEN ONE END OF THE ROD AND THE FIRST CLOSURE AND ARRANGED TO BE OPERATED WHEN THE ROD EXPANDS TO A DEFINITE VALUE; AND MEANS COUPLING THE OTHER END OF THE ROD AND THE SECOND CLOSURE FOR MOVING SAID SECOND CLOSURE TO OPEN POSITION UPON FURTHER EXPANSION OF THE ROD.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |