US3385309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow control means
Assignee: Lanteris Space LLC
•
Filing: 1965-11-03
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Granted: 1968-05-28
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Expires: 1985-11-03
Abstract
No abstract record available.
Inventors
- 👤 William R Bains
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:30
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/042; F15B13/043; F15B13/0438; F15B5/00; F15B5/003; G; G05; G05D; G05D7/00; G05D7/01; G05D7/0146; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/8659; Y10T137/86598; Y10T137/86614; Y10T137/877; Y10T137/87788; Y10T137/87812
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
123 words
A FLUID FLOW CONTROL VALVE COMPRISING: A VALVE HOUSING DEFINING A CAVITY, SAID CAVITY HAVING A SUPPLY PORT AND A PAIR OF OPPOSITELY DISPOSED OUTLET PORTS IN LATERAL WALL PORTIONS OF SAID CAVITY; PIVOTALLY MOUNTED FLAPPER MEANS WITHIN SAID CAVITY FOR CONTROLLING THE RELATIVE RATES OF FLUID FLOW FROM SAID SUPPLY PORT THROUGH SAID OUTLET PORTS; MEANS FOR CYCLING SAID FLAPPER MEANS IN ACCORDANCE WITH AN ELECTRICAL CONTROL SIGNAL WHEREBY SAID FLAPPER MEANS DWELLS ON RESPECTIVE ONES OF SAID OUTLET PORTS TO CONTROL THE RATES OF FLUID FLOW THERETHROUGH; AND MEANS OPERABLE BY THE PRESSURE OF FLUID LEAVING ONE OF SAID OUTLET PORTS TO URGE SAID FLAPPER TOWARD A POSITION CLOSING THE PORT THAT IS OPEN AND OPENING THE PORT THAT IS CLOSED.
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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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |