Patent US3173444A successfully refreshed from Google Patents.
US3173444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable cartridge type mixing valve
Assignee: Individual
•
Filing: 1962-06-29
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Granted: 1965-03-16
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Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 Ernest H Bucknell
- 👤 Irving A Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:22
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/18; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7668; Y10T137/8593; Y10T137/87056; Y10T137/87088; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A REMOVABLE VALVE ASSEMBLY ADAPTED TO BE INSERTED INTO A VALVE CHAMBER HAVING A HOT WATER INLET AND A COLD WATER INLET AND A SINGLE OUTLET COMPRISING A VALVE RETAINER HAVING HOLES THERETHROUGH ALIGNED WITH SAID INLETS AND OUTLET, A RESILIENT VALVE ELEMENT INSERTABLE INTO SAID RETAINER HAVING OPENINGS THERETHROUGH ALIGNED WITH SAID INLETS AND OUTLET, A SUPPORT CAGE INSERTABLE INTO SAID VALVE ELEMENT HAVING OPENINGS THEREIN ALIGNED WITH SAID INLETS, SPRING MEANS POSITIONED WITHIN SAID SUPPORT CAGE, A VALVE STEM, A BALL RETAINER ROTATABLY SUPPORTED ON SAID VALVE STEM, SAID VALVE STEM BEING INSERTABLE INTO SAID SUPPORT CAGE, A PAIR OF BALLS, A PAIR OF V-SHAPED ELEMENTS FORMED ON SAID BALL RETAINER, EACH HOLDING ONE OF SAID BALLS AGAINST SAID SPRING MEANS AND IN ALIGNMENT WITH ONE OF SAID INLET OPENINGS, CAM MEANS ON SAID VALVE STEM WHEREBY ROTATION THEREOF VARIES THE OPENING THROUGH SAID INLETS.
Claim 2
Dependent Claim
147 words
A REMOVABLE VALVE ASSEMBLY ADAPTED TO BE INSERTED INTO A VALVE CHAMBER HAVING A HOT WATER INLET AND A COLD WATER INLET AND A SINGLE OUTLET COMPRISING A VALVE RETAINER HAVING HOLES THERETHROUGH ALIGNED WITH SAID INLETS AND OUTLET, A RESILIENT VALVE ELEMENT INSERTABLE INTO SAID RETAINER HAVING OPENINGS THERETHROUGH ALIGNED WITH SAID INLETS AND OUTLET, A SUPPORT CAGE INSERTABLE INTO SAID VALVE ELEMENT HAVING OPENINGS THEREIN ALIGNED WITH SAID INLETS, SPRING MEANS POSITIONED WITHIN SAID SUPPORT CAGE, A VALVE STEM, A BALL RETAINER ROTATABLY SUPPORTED ON SAID VALVE STEM, SAID VALVE STEM BEING INSERTABLE INTO SAID SUPPORT CAGE, A PAIR OF BALLS, A PAIR OF V-SHAPED ELEMENTS FORMED ON SAID BALL RETAINER, EACH HOLDING ONE OF SAID BALLS AGAINST SAID SPRING MEANS AND IN ALIGNMENT WITH ONE OF SAID INLET OPENINGS, CAM MEANS ON SAID VALVE STEM WHEREBY ROTATION THEREOF VARIES THE OPENING THROUGH SAID INLETS.
References Cited (Backward Citations)
US2923315A
Cited
US2856952A
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 |