US3233677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubing flow control valve
Assignee: Baker Hughes Oilfield Operations LLC
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Filing: 1963-05-23
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Granted: 1966-02-08
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Expires: 1983-05-23
Abstract
No abstract record available.
Inventors
- 👤 William D Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:15
CPC Classifications
E; E21; E21B; E21B34/00; E21B34/06; E21B34/12; E21B2200/00; E21B2200/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A VALVE APPARATUS ADAPTED TO BE DISPOSED IN A WELL BORE: AN OUTER MEMBER; AN INNER MEMBER WITHIN SAID OUTER MEMBER; SAID MEMBERS HAVING A PASSAGE THERETHROUGH THROUGH WHICH FLUID CAN FLOW FROM ONE MEMBER INTO ANOTHER MEMBER WHEN SAID PASSAGE IS OPEN, SAID MEMBER BEING MOVABLE LONGITUDINALLY WITH RESPECT TO EACH OTHER; COENGAGEABLE MEANS ON SAID MEMBERS ADAPTED TO OCCUPY A FIRST RELATIVE POSITION OPENING SAID PASSAGE IN RESPONSE TO RELATIVE LONGITUDINAL MOVEMENT BETWEEN SAID MEMBERS IN ONE DIRECTION AND ADAPTED TO OCCUPY A SECOND RELATIVE POSITION CLOSING SAID PASSAGE IN RESPONSE TO RELATIVE LONGITUDINAL MOVEMENT BETWEEN SAID MEMBERS IN THE OPPOSITE DIRECTION; HOLDING MEANS ON SAID MEMBERS FOR RELEASABLY PREVENTING SUBSTANTIAL LONGITUDINAL MOVEMENT BETWEEN SAID MEMBERS TO RETAIN SAID COENGAGEABLE MEANS IN ONE OF SAID RELATIVE POSITIONS AND RELEASABLE
Claim 2
Dependent Claim
132 words
IN A VALVE APPARATUS ADAPTED TO BE DISPOSED IN A WELL BORE: AN OUTER MEMBER; AN INNER MEMBER WITHIN SAID OUTER MEMBER; SAID MEMBERS HAVING A PASSAGE THERETHROUGH THROUGH WHICH FLUID CAN FLOW FROM ONE MEMBER INTO ANOTHER MEMBER WHEN SAID PASSAGE IS OPEN, SAID MEMBER BEING MOVABLE LONGITUDINALLY WITH RESPECT TO EACH OTHER; COENGAGEABLE MEANS ON SAID MEMBERS ADAPTED TO OCCUPY A FIRST RELATIVE POSITION OPENING SAID PASSAGE IN RESPONSE TO RELATIVE LONGITUDINAL MOVEMENT BETWEEN SAID MEMBERS IN ONE DIRECTION AND ADAPTED TO OCCUPY A SECOND RELATIVE POSITION CLOSING SAID PASSAGE IN RESPONSE TO RELATIVE LONGITUDINAL MOVEMENT BETWEEN SAID MEMBERS IN THE OPPOSITE DIRECTION; HOLDING MEANS ON SAID MEMBERS FOR RELEASABLY PREVENTING SUBSTANTIAL LONGITUDINAL MOVEMENT BETWEEN SAID MEMBERS TO RETAIN SAID COENGAGEABLE MEANS IN ONE OF SAID RELATIVE POSITIONS AND RELEASABLE
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |