US3324952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well tool control mechanism
Assignee: Schlumberger Technology Corp
•
Filing: 1964-12-10
•
Granted: 1967-06-13
•
Expires: 1984-12-10
Abstract
No abstract record available.
Inventors
- 👤 William O Berryman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:31
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/004; E21B23/006; E21B33/00; E21B33/10; E21B33/12; E21B33/129; E21B33/1291
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
APPARATUS FOR USE IN A WELL TOOL TO ENABLE SELECTIVE CONTROL OF RELATIVE MOVEMENT BETWEEN TUBULAR TELESCOPING MEMBERS, COMPRISING: CIRCUMFERENTIALLY SPACED SLOT MEANS IN ONE OF SAID MEMBERS, EACH OF SAID SLOT MEANS INCLUDING LONGITUDINAL SEGMENTS CONNECTED TOGETHER BY TRANSVERSE SEGMENTS, SAID TRANSVERSE SEGMENTS EXTENDING IN OPPOSITE DIRECTIONS RELATIVE TO SAID LONGITUDINAL SEGMENTS; LUG MEANS ON THE OTHER OF SAID MEMBERS ADAPTED TO ENGAGE IN SAID SLOT MEANS; AND MEANS FOR LOCATING SAID LUG MEANS IN ONLY A SELECTED ONE OF SAID SPACED SLOT MEANS SO THAT RELATIVE MOVEMENT BETWEEN SAID MEMBERS CAN BE EFFECTED BY LONGITUDINAL MOTION COUPLED WITH ROTATION IN ONE DIRECTION OF THE OTHER DEPENDING ON THE SELECTION OF LOCATION FOR SAID LUG MEANS.
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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |