Patent US3276473A successfully refreshed from Google Patents.
US3276473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bi-stable fluid valve
Assignee: Individual
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Filing: 1963-07-30
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Granted: 1966-10-04
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Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 George D Lewis
- 👤 Burton A Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:04
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/12; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/218; Y10T137/2202; Y10T137/8593; Y10T137/87153; Y10T137/877
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
217 words
A CYLINDRICAL BI-STABLE FLUID VALVE MEANS FOR USE IN SPACE ENVIROMENTS FOR SUBDIVIDING A CONTROL FLUID INTO SEPARATE FLOWS WHICH MAY BE UTILIZED TO CONTROL THE PITCH AND YAW OF A SPACE VEHICLE, SAID VALVE MEANS COMPRISING; A CIRCULAR FLUID INLET MEANS, A CIRCULAR MEMBER MEANS DISPOSED AT THE CENTER OF SAID CIRCULAR INLET MEANS AND EXTENDING THE LENGTH OF SAID VALVE MEANS FOR PROVIDING AN ANNULAR FLUID FLOW PATH, TWO PARTITIONS DISPOSED AT RIGHT ANGLES WITHIN SAID VALVE MEANS TO SUPPORT SAID CIRCULAR MEMBER MEANS AND INTERSECTING AT THE CENTER OF SAID CIRCULAR MEMBER MEANS FOR DIVIDING SAID VALVE MEANS INTO FOUR EQUAL QUADRANTS TO THEREBY DIVIDE SAID ANNULAR FLUID FLOW INTO FOUR EQUAL PATHS, FIRST TAB MEANS DISPOSED IN SAID VALVE MEANS NEAR SAID INLET MEANS IN EACH OF SAID FOUR QUADRANTS FOR INSERTION INTO THE RESPECTIVE FLUID FLOW PATHS FROM THE OUTER PERIPHERY OF SAID DIVIDED ANNULAR FLUID FLOW, SECOND TAB MEANS DISPOSED IN SAID CIRCULAR MEMBER MEANS NEAR SAID INLET MEANS IN EACH OF SAID FOUR QUANDRANTS FOR INSERTION INTO THE RESPECTIVE FLUID FLOW PATHS FROM THE OTHER PERIPHERY OF SAID CIRCULAR MEMBER MEANS, AN ANNULAR FLOW DIVIDER MEANS SECURED BY SAID PARTITIONS IN CONCENTRIC RELATIONSHIP TO THE INTERSECTION OF SAID PARTITIONS FOR PROVIDING TWO ALTERNATIVE OUTLETS FOR EACH OF SAID FOUR PATHS,
Claim 2
Dependent Claim
217 words
A CYLINDRICAL BI-STABLE FLUID VALVE MEANS FOR USE IN SPACE ENVIROMENTS FOR SUBDIVIDING A CONTROL FLUID INTO SEPARATE FLOWS WHICH MAY BE UTILIZED TO CONTROL THE PITCH AND YAW OF A SPACE VEHICLE, SAID VALVE MEANS COMPRISING; A CIRCULAR FLUID INLET MEANS, A CIRCULAR MEMBER MEANS DISPOSED AT THE CENTER OF SAID CIRCULAR INLET MEANS AND EXTENDING THE LENGTH OF SAID VALVE MEANS FOR PROVIDING AN ANNULAR FLUID FLOW PATH, TWO PARTITIONS DISPOSED AT RIGHT ANGLES WITHIN SAID VALVE MEANS TO SUPPORT SAID CIRCULAR MEMBER MEANS AND INTERSECTING AT THE CENTER OF SAID CIRCULAR MEMBER MEANS FOR DIVIDING SAID VALVE MEANS INTO FOUR EQUAL QUADRANTS TO THEREBY DIVIDE SAID ANNULAR FLUID FLOW INTO FOUR EQUAL PATHS, FIRST TAB MEANS DISPOSED IN SAID VALVE MEANS NEAR SAID INLET MEANS IN EACH OF SAID FOUR QUADRANTS FOR INSERTION INTO THE RESPECTIVE FLUID FLOW PATHS FROM THE OUTER PERIPHERY OF SAID DIVIDED ANNULAR FLUID FLOW, SECOND TAB MEANS DISPOSED IN SAID CIRCULAR MEMBER MEANS NEAR SAID INLET MEANS IN EACH OF SAID FOUR QUANDRANTS FOR INSERTION INTO THE RESPECTIVE FLUID FLOW PATHS FROM THE OTHER PERIPHERY OF SAID CIRCULAR MEMBER MEANS, AN ANNULAR FLOW DIVIDER MEANS SECURED BY SAID PARTITIONS IN CONCENTRIC RELATIONSHIP TO THE INTERSECTION OF SAID PARTITIONS FOR PROVIDING TWO ALTERNATIVE OUTLETS FOR EACH OF SAID FOUR PATHS,
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |