US3227218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liner hanging apparatus
Assignee: Baker Hughes Oilfield Operations LLC
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Filing: 1963-05-20
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Granted: 1966-01-04
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Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Hiram H Fisher
- 👤 William D Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:31
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN APPARATUS FOR HANGING A LINER FROM 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; PROTECTIVE MEANS DISPOSED ACROSS SAID LATERALLY MOVABLE MEANS; A LINER HANGING MEMBER ADAPTED TO BE LOWERED IN THE CASING STRING TO A POSITION WITHIN SAID TUBULAR MEMBER, PROTECTIVE MEANS AND LATERALLY MOVABLE MEANS; MEANS FOR REMOVING SAID PROTECTIVE MEAND FROM ITS POSITION ACROSS SAID LATERALLY MOVABLE MEANS AFTER SAID LINER HANGING MEMBER HAS BEEN POSITIONED WITHIN SAID PROTECTIVE MEANS
Claim 2
Dependent Claim
99 words
IN APPARATUS FOR HANGING A LINER FROM 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; PROTECTIVE MEANS DISPOSED ACROSS SAID LATERALLY MOVABLE MEANS; A LINER HANGING MEMBER ADAPTED TO BE LOWERED IN THE CASING STRING TO A POSITION WITHIN SAID TUBULAR MEMBER, PROTECTIVE MEANS AND LATERALLY MOVABLE MEANS; MEANS FOR REMOVING SAID PROTECTIVE MEAND FROM ITS POSITION ACROSS SAID LATERALLY MOVABLE MEANS AFTER SAID LINER HANGING MEMBER HAS BEEN POSITIONED WITHIN SAID PROTECTIVE 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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |