US3275036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding handle mixing valve
Assignee: Individual
•
Filing: 1965-10-07
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Granted: 1966-09-27
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Expires: 1985-10-07
Abstract
No abstract record available.
Inventors
- 👤 Spencer Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:38
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/18; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/698; Y10T137/8593; Y10T137/86389; Y10T137/86397; Y10T137/86928; Y10T137/86992; Y10T137/87; Y10T137/87056; Y10T137/87064; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A MIXING VALVE, COMPRISING: (A) A PAIR OF PARALLEL VALVE UNITS HAVING CAM FOLLOWER ELEMENTS FOR OPENING AND CLOSING SAID VALVE UNITS; (B) A CAM STRUCTURE MOVABLE IN A PREDETERMINED PLANE TRAVERSING SAID CAM FOLLOWER ELEMENTS; AND (C) MEANS LIMITING SAID CAM STRUCTURE TO AN ESSENTIALLY TRIANGULAR PATH IN SAID PLANE, WHEREBY SAID CAM FOLLOWER ELEMENTS DESCRIBE CORRESPONDING TRIANGULAR PATHS ON SAID CAM STRUCTURE, THE AREAS WITHIN SAID PATHS ON SAID CAM STRUCTURE FORMING CAM AREAS CONTOURED TO EFFECT MOVEMENT OF SAID CAM FOLLOWER ELEMENTS INDIVIDUALLY, IN UNISON, OR IN OPPOSITION THEREBY TO CAUSE CORRESPONDING OPENING AND CLOSING OF SAID VALVE UNITS.
Claim 2
Dependent Claim
102 words
A MIXING VALVE, COMPRISING: (A) A PAIR OF PARALLEL VALVE UNITS HAVING CAM FOLLOWER ELEMENTS FOR OPENING AND CLOSING SAID VALVE UNITS; (B) A CAM STRUCTURE MOVABLE IN A PREDETERMINED PLANE TRAVERSING SAID CAM FOLLOWER ELEMENTS; AND (C) MEANS LIMITING SAID CAM STRUCTURE TO AN ESSENTIALLY TRIANGULAR PATH IN SAID PLANE, WHEREBY SAID CAM FOLLOWER ELEMENTS DESCRIBE CORRESPONDING TRIANGULAR PATHS ON SAID CAM STRUCTURE, THE AREAS WITHIN SAID PATHS ON SAID CAM STRUCTURE FORMING CAM AREAS CONTOURED TO EFFECT MOVEMENT OF SAID CAM FOLLOWER ELEMENTS INDIVIDUALLY, IN UNISON, OR IN OPPOSITION THEREBY TO CAUSE CORRESPONDING OPENING AND CLOSING OF SAID VALVE UNITS.
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |