Patent US4283621B1 successfully refreshed from Google Patents.
US3233674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subsurface well apparatus
Assignee: Baker Hughes Oilfield Operations LLC
•
Filing: 1963-07-22
•
Granted: 1966-02-08
•
Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Leutwyler Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:25
CPC Classifications
E; E21; E21B; E21B23/00; E21B23/04; E21B23/0411; E21B23/0414; E21B23/042; E21B23/06; E21B23/065; E21B43/00; E21B43/02; E21B43/10; E21B47/00; E21B47/12; E21B47/13; E21B47/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN REMOTELY OPERABLE APPARATUS FOR OPERATIVELY ASSOCIATING A LINER WITH A CASING STRING DISPOSED IN A WELL BORE: A TUBULAR MEMBER ADAPTED TO BE DISPOSED IN THE WELL BORE TO CONSTITUTE PART OF THE CASING STRING; LATERALLY MOVABLE MEANS IN SAID TUBULAR MEMBER; DETECTING MEANS INCORPORATED IN SAID TUBULAR MEMBER ADAPTED TO BE RESPONSIVE TO APPLIED ENERGIZING SIGNALS FOR GENERATING AN OUTPUT SIGNAL; STATICIZING MEANS INCORPORATED IN SAID TUBULAR MEMBER AND CONNECTED TO SAID DETECTING MEANS AND OPERABLE IN RESPONSE TO SAID OUTPUT SIGNAL TO PROVIDE AN OPERATING SIGNAL OF DURATION AND MAGNITUDE GREATER THAN THAT OF SAID OUTPUT SIGNAL; AND POWERING MEANS INCORPORATED IN SAID TUBULAR MEMBER INCLUDING MEANS CONNECTED TO SAID STATICIZING MEANS AND RESPONSIVE TO OPERATING SIGNALS FOR ENERGIZING SAID POWERING MEANS, SAID POWERING MEANS FURTHER INCLUDING MEANS FOR SHIFTING SAID LATERALLY MOVABLE MEANS INTO OPERATIVE ENGAGEMENT WITH THE LINER MEMBER WHEN THE LINER MEMBER IS DISPOSED IN THE CASING STRING.
Claim 2
Dependent Claim
154 words
IN REMOTELY OPERABLE APPARATUS FOR OPERATIVELY ASSOCIATING A LINER WITH A CASING STRING DISPOSED IN A WELL BORE: A TUBULAR MEMBER ADAPTED TO BE DISPOSED IN THE WELL BORE TO CONSTITUTE PART OF THE CASING STRING; LATERALLY MOVABLE MEANS IN SAID TUBULAR MEMBER; DETECTING MEANS INCORPORATED IN SAID TUBULAR MEMBER ADAPTED TO BE RESPONSIVE TO APPLIED ENERGIZING SIGNALS FOR GENERATING AN OUTPUT SIGNAL; STATICIZING MEANS INCORPORATED IN SAID TUBULAR MEMBER AND CONNECTED TO SAID DETECTING MEANS AND OPERABLE IN RESPONSE TO SAID OUTPUT SIGNAL TO PROVIDE AN OPERATING SIGNAL OF DURATION AND MAGNITUDE GREATER THAN THAT OF SAID OUTPUT SIGNAL; AND POWERING MEANS INCORPORATED IN SAID TUBULAR MEMBER INCLUDING MEANS CONNECTED TO SAID STATICIZING MEANS AND RESPONSIVE TO OPERATING SIGNALS FOR ENERGIZING SAID POWERING MEANS, SAID POWERING MEANS FURTHER INCLUDING MEANS FOR SHIFTING SAID LATERALLY MOVABLE MEANS INTO OPERATIVE ENGAGEMENT WITH THE LINER MEMBER WHEN THE LINER MEMBER IS DISPOSED IN THE CASING STRING.
References Cited (Backward Citations)
US1079690A
Cited
US1757288A
Cited
US2017451A
Cited
US2593725A
Cited
US2938592A
Cited
US2897895A
Cited
US3050150A
Cited
US3090640A
Cited
US3086589A
Cited
US3027944A
Cited
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 |