US3360235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subsurface tubular flow control apparatus
Assignee: Baker Hughes Oilfield Operations LLC
•
Filing: 1965-03-05
•
Granted: 1967-12-26
•
Expires: 1985-03-05
Abstract
No abstract record available.
Inventors
- 👤 William D Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:08
CPC Classifications
E; E21; E21B; E21B34/00; E21B34/06; E21B34/12; E21B2200/00; E21B2200/03; E21B2200/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN VALVE APPARATUS: A HOUSING MEMBER HAVING A FLUID PASSAGE; A TUBULAR MEMBER IN SAID HOUSING MEMBER AND HAVING A FLUID PASSAGE COMMUNICABLE WITH SAID HOUSING MEMBER PASSAGE; SAID MEMBERS HAVING ATTACHMENT MEANS FOR SECURING SAID MEMBERS TO ADJACENT TUBULAR DEVICES ADAPTED TO EXTEND FROM SAID MEMBERS; SAID MEMBERS BEING ROTATABLE WITH RESPECT TO EACH OTHER; ONE OF SAID MEMBERS HAVING A VALVE SEAT; A VALVE HEAD; MEANS PIVOTALLY MOUNTING SAID VALVE HEAD ON SAID ONE MEMBER FOR MOVEMENT RELATIVE TO SAID SEAT; FIRST GEAR MEANS ON SAID VALVE HEAD; AND SECOND GEAR MEANS ON SAID OTHER OF SAID MEMBERS MESHABLE WITH SAID FIRST GEAR MEANS TO SHIFT SAID HEAD ALONG SAID SEAT BETWEEN OPEN AND CLOSED RELATION TO SAID SEAT IN RESPONSE TO RELATIVE ROTATION BETWEEN SAID MEMBERS; SAID TUBULAR MEMBER BEING SHIFTABLE LONGITUDINALLY RELATIVE TO AND WITHIN SAID HOUSING MEMBER TO EFFECT SELECTIVE MESHING OR DISENGAGEMENT BETWEEN SAID FIRST GEAR AND SECOND GEAR MEANS.
Claim 2
Dependent Claim
156 words
IN VALVE APPARATUS: A HOUSING MEMBER HAVING A FLUID PASSAGE; A TUBULAR MEMBER IN SAID HOUSING MEMBER AND HAVING A FLUID PASSAGE COMMUNICABLE WITH SAID HOUSING MEMBER PASSAGE; SAID MEMBERS HAVING ATTACHMENT MEANS FOR SECURING SAID MEMBERS TO ADJACENT TUBULAR DEVICES ADAPTED TO EXTEND FROM SAID MEMBERS; SAID MEMBERS BEING ROTATABLE WITH RESPECT TO EACH OTHER; ONE OF SAID MEMBERS HAVING A VALVE SEAT; A VALVE HEAD; MEANS PIVOTALLY MOUNTING SAID VALVE HEAD ON SAID ONE MEMBER FOR MOVEMENT RELATIVE TO SAID SEAT; FIRST GEAR MEANS ON SAID VALVE HEAD; AND SECOND GEAR MEANS ON SAID OTHER OF SAID MEMBERS MESHABLE WITH SAID FIRST GEAR MEANS TO SHIFT SAID HEAD ALONG SAID SEAT BETWEEN OPEN AND CLOSED RELATION TO SAID SEAT IN RESPONSE TO RELATIVE ROTATION BETWEEN SAID MEMBERS; SAID TUBULAR MEMBER BEING SHIFTABLE LONGITUDINALLY RELATIVE TO AND WITHIN SAID HOUSING MEMBER TO EFFECT SELECTIVE MESHING OR DISENGAGEMENT BETWEEN SAID FIRST GEAR AND SECOND GEAR MEANS.
References Cited (Backward Citations)
NL27014C
Cited
US156300A
Cited
US1964264A
Cited
US2145844A
Cited
US2458631A
Cited
US2948553A
Cited
US2998077A
Cited
US3096823A
Cited
US3136525A
Cited
US3189316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |