Patent US4859859A successfully refreshed from Google Patents.
Patent US3091395A successfully refreshed from Google Patents.
US3091395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
douglas
Assignee: —
•
Filing: —
•
Granted: 1963-05-28
•
Expires: 1980-05-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:27
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/125; G05D23/126; G05D23/127; F; F23; F23N; F23N1/00; F23N1/007; F23N5/00; F23N5/02; F23N2235/00; F23N2235/12; F23N2235/16; F23N2235/24; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7834
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A THERMOSTATIC GAS VALVE COMPRISING A BODY HAVING A GAS CHAMBER, AN INLET INTO SAID GAS CHAMBER, AN OUTLET, A THREADED PASSAGE IN SAID BODY COMMUNICATING WITH SAID GAS CHAMBER, A ROTATABLE TUBULAR MEMBER THREADED INTO THE THREADED PASSAGE IN SAID BODY, A THREADED PASSAGE IN SAID TUBULAR MEMBER, A STEM THREADED INTO THE PASSAGE IN SAID TUBULAR MEMBER, SAID STEM HAVING A CAVITY OPENING INTO SAID GAS CHAMBER, A SEAT ON THE INNER END OF SAID STEM, PORT MEANS CONNECTING SAID CAVITY WITH SAID OUTLET, AND A THERMOSTATICALLY CONTROLLED VALVE MEMBER MOVABLE TO AND FROM SAID STEM AND HAVING MEANS ADAPTED TO BE ENGAGED WITH SAID SEAT.
Claim 2
Dependent Claim
108 words
A THERMOSTATIC GAS VALVE COMPRISING A BODY HAVING A GAS CHAMBER, AN INLET INTO SAID GAS CHAMBER, AN OUTLET, A THREADED PASSAGE IN SAID BODY COMMUNICATING WITH SAID GAS CHAMBER, A ROTATABLE TUBULAR MEMBER THREADED INTO THE THREADED PASSAGE IN SAID BODY, A THREADED PASSAGE IN SAID TUBULAR MEMBER, A STEM THREADED INTO THE PASSAGE IN SAID TUBULAR MEMBER, SAID STEM HAVING A CAVITY OPENING INTO SAID GAS CHAMBER, A SEAT ON THE INNER END OF SAID STEM, PORT MEANS CONNECTING SAID CAVITY WITH SAID OUTLET, AND A THERMOSTATICALLY CONTROLLED VALVE MEMBER MOVABLE TO AND FROM SAID STEM AND HAVING MEANS ADAPTED TO BE ENGAGED WITH SAID SEAT.
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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |