US3229956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm fluid valve
Assignee: STEVENS MANUFACTURING COMPANY Inc
•
Filing: 1962-03-02
•
Granted: 1966-01-18
•
Expires: 1982-03-02
Abstract
No abstract record available.
Inventors
- 👤 Frederick M White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:55
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/025; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1919; G05D23/1921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A FLUID VALVE COMPRISING, IN COMBINATION, A HOUSING, A VALVE SEAT IN SAID HOUSING, A DIAPHRAGM SUPPORT CARRIED IN SAID HOUSING, A FLEXIBLE DIAPHRAGM HAVING A PERIPHERAL EDGE, MEANS MOUNTING AT LEAST PART OF SAID EDGE OF SAID DIAPHRAGM ON SAID DIAPHRAGM SUPPROT WITH SAID DIAPHRAGM LOOSELY SUPPORTED WITH FLUID ACCESS TO BOTH SIDES OF SAID DIAPHRAGM, SAID DIAPHRAGM HAVING AN OPEN POSITION AND HAVING A CLOSED POSITION SEATED ON SAID VALVE SEAT, ACTUATOR MEANS IN SAID HOUSING CARRYING SAID DIAPHRAGM SUPPORT TO MOVE SAID DIAPHRAGM IN ONE OF CLOSING AND OPENING DIRECTIONS, SAID ACTUATOR MEANS INCLUDING A CONTROL BIMETAL AND AN AMBIENT TEMPERATURE COMPENSATING BIMETAL CARRIED THEREON AND ESTABLISHING THE PLANE OF SAID DIAPHRAGM MOUNTING MEANS AT A SMALL ANGLE RELATIVE TO THE PLANE OF SAID VALVE SEAT WITH AMBIENT TEMPERATURE CHANGES.
Claim 2
Dependent Claim
133 words
A FLUID VALVE COMPRISING, IN COMBINATION, A HOUSING, A VALVE SEAT IN SAID HOUSING, A DIAPHRAGM SUPPORT CARRIED IN SAID HOUSING, A FLEXIBLE DIAPHRAGM HAVING A PERIPHERAL EDGE, MEANS MOUNTING AT LEAST PART OF SAID EDGE OF SAID DIAPHRAGM ON SAID DIAPHRAGM SUPPROT WITH SAID DIAPHRAGM LOOSELY SUPPORTED WITH FLUID ACCESS TO BOTH SIDES OF SAID DIAPHRAGM, SAID DIAPHRAGM HAVING AN OPEN POSITION AND HAVING A CLOSED POSITION SEATED ON SAID VALVE SEAT, ACTUATOR MEANS IN SAID HOUSING CARRYING SAID DIAPHRAGM SUPPORT TO MOVE SAID DIAPHRAGM IN ONE OF CLOSING AND OPENING DIRECTIONS, SAID ACTUATOR MEANS INCLUDING A CONTROL BIMETAL AND AN AMBIENT TEMPERATURE COMPENSATING BIMETAL CARRIED THEREON AND ESTABLISHING THE PLANE OF SAID DIAPHRAGM MOUNTING MEANS AT A SMALL ANGLE RELATIVE TO THE PLANE OF SAID VALVE SEAT WITH AMBIENT TEMPERATURE CHANGES.
References Cited (Backward Citations)
US1897497A
Cited
US2159342A
Cited
US2101991A
Cited
US2267515A
Cited
US2583795A
Cited
US3109480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |