US3221773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid valve
Assignee: ANDERSON BRASS Co
•
Filing: 1961-10-23
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Granted: 1965-12-07
•
Expires: 1981-10-23
Abstract
No abstract record available.
Inventors
- 👤 Gerald H Kass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:47
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/02; F16K5/0214; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87096; Y10T137/87121; Y10T137/87129; Y10T137/87137; Y10T137/87265; Y10T137/87298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A MULTI-POSITION FLUID VALVE COMPRISING: A HOUSING HAVING A CONICAL VALVING SURFACE PARTIALLY DEFINING A TAPERED VALVE CHAMBER THEREIN AND FIRST AND SECOND INLET PASSAGEWAYS COMMUNICATING WITH SAID VALVING SURFACE ADJACENT THE LARGER END THEREOF; ADJUSTABLE FLOW CONTROL MEANS IN EACH OF SAID FIRST AND SECOND INLET PASSAGEWAYS; A MAIN OUTLET PASSAGEWAY IN SAID HOUSING COMMUNICATING WITH SAID CHAMBER; A CONICAL ROTARY VALVE ELEMENT DISPOSED IN SAID CHAMBER AND HAVING A SURFACE SEALINGLY ENGAGING SAID VALVE SURFACE; A VALVE STEM ON THE LARGER END OF SAID ELEMENT EXTENDING FROM SAID HOUSING FOR ROTUATING SAID ELEMENT TO A PLURALITY OF ANGULAR POSITIONS WITH RESPECT TO SAID HOUSING, EACH OF SAID ADJUSTABLE FLOW CONTROL MEANS INCLUDING A THREADABLY ADJUSTABLE VALVE MEMBER HAVING AN AXIS OF MOVEMENT WHICH IS OBLIQUE WITH RESPECT TO THE AXIS OF ROTATION OF SAID VALVE ELEMENT AND BEING ACCESSIBLE FROM OUTSIDE SAID HOUSING ADJACENT SAID STEM; AND PASSAGEWAY MEANS IN SAID ELEMENT FOR ALTERNATIVELY COMMUNICATING SAID FIRST AND SECOND INLET PASSAGEWAYS WITH SAID MAIN OUTLET PASSAGEWAY IN VARIOUS ANGULAR POSITIONS OF SAID ELEMENT.
Claim 2
Dependent Claim
175 words
A MULTI-POSITION FLUID VALVE COMPRISING: A HOUSING HAVING A CONICAL VALVING SURFACE PARTIALLY DEFINING A TAPERED VALVE CHAMBER THEREIN AND FIRST AND SECOND INLET PASSAGEWAYS COMMUNICATING WITH SAID VALVING SURFACE ADJACENT THE LARGER END THEREOF; ADJUSTABLE FLOW CONTROL MEANS IN EACH OF SAID FIRST AND SECOND INLET PASSAGEWAYS; A MAIN OUTLET PASSAGEWAY IN SAID HOUSING COMMUNICATING WITH SAID CHAMBER; A CONICAL ROTARY VALVE ELEMENT DISPOSED IN SAID CHAMBER AND HAVING A SURFACE SEALINGLY ENGAGING SAID VALVE SURFACE; A VALVE STEM ON THE LARGER END OF SAID ELEMENT EXTENDING FROM SAID HOUSING FOR ROTUATING SAID ELEMENT TO A PLURALITY OF ANGULAR POSITIONS WITH RESPECT TO SAID HOUSING, EACH OF SAID ADJUSTABLE FLOW CONTROL MEANS INCLUDING A THREADABLY ADJUSTABLE VALVE MEMBER HAVING AN AXIS OF MOVEMENT WHICH IS OBLIQUE WITH RESPECT TO THE AXIS OF ROTATION OF SAID VALVE ELEMENT AND BEING ACCESSIBLE FROM OUTSIDE SAID HOUSING ADJACENT SAID STEM; AND PASSAGEWAY MEANS IN SAID ELEMENT FOR ALTERNATIVELY COMMUNICATING SAID FIRST AND SECOND INLET PASSAGEWAYS WITH SAID MAIN OUTLET PASSAGEWAY IN VARIOUS ANGULAR POSITIONS OF SAID ELEMENT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |