US3125293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
burdett
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:15
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/06; F23N5/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A THERMOSTATIC GAS VALVE, INCLUDING IN COMBINATION, A VALVE BODY, A TAPERED PLUG RECEIVING CHAMBER THEREIN, A ROTATABLE TAPERED PLUG MOUNTED IN SAID CHAMBER AND HAVING GAS FLOW PASSAGES THEREIN, MEANS FOR ROTATING SAID PLUG FROM AN OFF TO AN OPERATIVE POSITION CORRESPONDING TO A TEMPERATURE TO BE MAINTAINED BY SAID VALVE, MEANS INCLUDING A THERMOSTATICALLY ACTUATED VALVE IN COMMUNICATION WITH SAID PLUG AND COMPRISING A SEAT PORTION AND A THERMOSTATICALLY MOVABLE PORTION FOR REGULATING THE FLOW OF GAS THROUGH SAID PLUG, SAID SEAT BEING MOVABLE RELATIVE TO SAID MOVABLE VALVE PORTION FOR DETERMINING THE TEMPERATURE TO BE MAINTAINED, MEANS COUPLING SAID SEAT PORTION TO SAID VALVE PLUG TO EFFECT MOVEMENT OF SAID
Claim 2
Dependent Claim
113 words
A THERMOSTATIC GAS VALVE, INCLUDING IN COMBINATION, A VALVE BODY, A TAPERED PLUG RECEIVING CHAMBER THEREIN, A ROTATABLE TAPERED PLUG MOUNTED IN SAID CHAMBER AND HAVING GAS FLOW PASSAGES THEREIN, MEANS FOR ROTATING SAID PLUG FROM AN OFF TO AN OPERATIVE POSITION CORRESPONDING TO A TEMPERATURE TO BE MAINTAINED BY SAID VALVE, MEANS INCLUDING A THERMOSTATICALLY ACTUATED VALVE IN COMMUNICATION WITH SAID PLUG AND COMPRISING A SEAT PORTION AND A THERMOSTATICALLY MOVABLE PORTION FOR REGULATING THE FLOW OF GAS THROUGH SAID PLUG, SAID SEAT BEING MOVABLE RELATIVE TO SAID MOVABLE VALVE PORTION FOR DETERMINING THE TEMPERATURE TO BE MAINTAINED, MEANS COUPLING SAID SEAT PORTION TO SAID VALVE PLUG TO EFFECT MOVEMENT OF SAID
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) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |