US3173446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety valve means for protecting against the loss of fluid in a pressurizable fluidsystem
Assignee: GUENTHER MITCHELL CO
•
Filing: 1962-02-13
•
Granted: 1965-03-16
•
Expires: 1982-02-13
Abstract
No abstract record available.
Inventors
- 👤 Wallace F Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:01
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/18; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7785; Y10T137/7835; Y10T137/7836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A VALVE FOR A COMPRESSED FLUID SYSTEM COMPRISING A CASING DEFINING A CHAMBER, A RESILIENT FLEXIBLE DIAPHRAGM DIVIDING SAID CHAMBER INTO A FLUID FLOW COMPARTMENT AND A COMPENSATING COMPARTMENT, SAID CASING HAVING AN INLET OPENING INTO SAID FLOW COMPARTMENT AND AN OUTLET OPENING INTO SAID FLOW COMPARTMENT AND A SEAT DISPOSED OPPOSITE THE CENTRAL PORTION OF SAID DIAPHRAGM, SAID DIAPHRAGM WHEN IN AN UNFLEXED STATE BEING IN PROXIMITY TO BUT MOVABLE AWAY FROM SAID SEAT, AND MEANS DEFINING A PASSAGE LEADING FROM SAID INLET AND HAVING AN ORIFICE OPENING INTO SAID COMPENSATING COMPARTMENT OF SUCH SIZE WHEREBY FLUID FLOWS INTO SAID COMPENSATING COMPARTMENT AT A RATE SLOWER THAN IT FLOWS THROUGH SAID FLUID FLOW COMPARTMENT THEREBY TO CAUSE SAID DIAPHRAGM TO BE MOVED AWAY FROM SAID SEAT DURING THE INITIAL FLOW OF FLUID INTO SAID
Claim 2
Dependent Claim
135 words
A VALVE FOR A COMPRESSED FLUID SYSTEM COMPRISING A CASING DEFINING A CHAMBER, A RESILIENT FLEXIBLE DIAPHRAGM DIVIDING SAID CHAMBER INTO A FLUID FLOW COMPARTMENT AND A COMPENSATING COMPARTMENT, SAID CASING HAVING AN INLET OPENING INTO SAID FLOW COMPARTMENT AND AN OUTLET OPENING INTO SAID FLOW COMPARTMENT AND A SEAT DISPOSED OPPOSITE THE CENTRAL PORTION OF SAID DIAPHRAGM, SAID DIAPHRAGM WHEN IN AN UNFLEXED STATE BEING IN PROXIMITY TO BUT MOVABLE AWAY FROM SAID SEAT, AND MEANS DEFINING A PASSAGE LEADING FROM SAID INLET AND HAVING AN ORIFICE OPENING INTO SAID COMPENSATING COMPARTMENT OF SUCH SIZE WHEREBY FLUID FLOWS INTO SAID COMPENSATING COMPARTMENT AT A RATE SLOWER THAN IT FLOWS THROUGH SAID FLUID FLOW COMPARTMENT THEREBY TO CAUSE SAID DIAPHRAGM TO BE MOVED AWAY FROM SAID SEAT DURING THE INITIAL FLOW OF FLUID INTO SAID
References Cited (Backward Citations)
US2103349A
Cited
US2624176A
Cited
FR1115245A
Cited
US2944856A
Cited
US3002521A
Cited
US2992652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |