Patent US3204921A successfully refreshed from Google Patents.
US3204921A
Expired / Lapsed
US
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Snap-acting thermostatic valve
Assignee: Honeywell Inc
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Filing: 1962-11-13
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Granted: 1965-09-07
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Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Frederik J Ages
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:15
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/125; G05D23/126; G05D23/127; F; F16; F16K; F16K31/00; F16K31/44; F16K31/56; F16K31/566
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A GAS VALVE COMPRISING A VALVE BODY HAVING AN INLET AND AN OUTLET AND AN APERTURED WALL THEREBETWEEN, A VALVE SEAT SURROUNDING THE APERTURE IN SAID WALL, A VALVE COOPERABLE WITH SAID SEAT TO CONTROL GAS FLOW THERETHROUGH, MEANS INCLUDING A RIGID PORTION FOR ACTUATING SAID VALVE, A DIAPHRAGM HAVING A CENTRAL PORTION SEALINGLY ENGAGING SAID ACTUATING MEANS AND AN OUTER PERIPHERAL PORTION RESTING AGAINST AN INNER WALL PORTION OF SAID VALVE BODY, A GUIDE SLEEVE DIRECTLY ENGAGING SAID RIGID PORTION OF SAID ACTUATING MEANS, SAID GUIDE SLEEVE HAVING A PORTION ENGAGING SAID PERIPHERAL PORTION, AND RESILIENT MEANS EXTENDING BETWEEN SAID ACTUATING MEANS AND SAID SLEEVE PORTION FORCING SAID PERIPHERAL PORTION SEALINGLY AGAINST SAID WALL PORTION AND FOR BIASING SAID ACTUATING MEANS IN A VALVE OPENING DIRECTION.
Claim 2
Dependent Claim
127 words
A GAS VALVE COMPRISING A VALVE BODY HAVING AN INLET AND AN OUTLET AND AN APERTURED WALL THEREBETWEEN, A VALVE SEAT SURROUNDING THE APERTURE IN SAID WALL, A VALVE COOPERABLE WITH SAID SEAT TO CONTROL GAS FLOW THERETHROUGH, MEANS INCLUDING A RIGID PORTION FOR ACTUATING SAID VALVE, A DIAPHRAGM HAVING A CENTRAL PORTION SEALINGLY ENGAGING SAID ACTUATING MEANS AND AN OUTER PERIPHERAL PORTION RESTING AGAINST AN INNER WALL PORTION OF SAID VALVE BODY, A GUIDE SLEEVE DIRECTLY ENGAGING SAID RIGID PORTION OF SAID ACTUATING MEANS, SAID GUIDE SLEEVE HAVING A PORTION ENGAGING SAID PERIPHERAL PORTION, AND RESILIENT MEANS EXTENDING BETWEEN SAID ACTUATING MEANS AND SAID SLEEVE PORTION FORCING SAID PERIPHERAL PORTION SEALINGLY AGAINST SAID WALL PORTION AND FOR BIASING SAID ACTUATING MEANS IN A VALVE OPENING DIRECTION.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |