Patent US3117628A successfully refreshed from Google Patents.
US3117628A
Expired / Lapsed
US
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Liner hanger apparatus
Assignee: Baker Hughes Oilfield Operations LLC
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Filing: 1962-01-12
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Granted: 1964-01-14
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Expires: 1982-01-12
Abstract
No abstract record available.
Inventors
- 👤 William D Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:18
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN LINER HANGER APPARATUS ADAPTED TO BE SET IN A WELL CASING DISPOSED IN A WELL BORE: A BODY; NORMALLY RETRACTED MEANS ON SAID BODY ADAPTED TO BE EXPANDED OUTWARDLY AGAINST THE WELL CASING; HYDRAULICALLY OPERABLE MEANS ON SAID BODY FOR EXPANDING SAID NORMALLY RETRACTED MEANS; A SETTING TOOL; MEANS RELEASABLY CONNECTING SAID SETTING TOOL TO SAID BODY; MEANS RETAINING SAID RELEASABLE MEANS IN POSITION CONNECTING SAID SETTING TOOL TO SAID BODY; AND MEANS RESPONSIVE TO MOVEMENT OF SAID HYDRAULICALLY OP-
Claim 2
Dependent Claim
81 words
IN LINER HANGER APPARATUS ADAPTED TO BE SET IN A WELL CASING DISPOSED IN A WELL BORE: A BODY; NORMALLY RETRACTED MEANS ON SAID BODY ADAPTED TO BE EXPANDED OUTWARDLY AGAINST THE WELL CASING; HYDRAULICALLY OPERABLE MEANS ON SAID BODY FOR EXPANDING SAID NORMALLY RETRACTED MEANS; A SETTING TOOL; MEANS RELEASABLY CONNECTING SAID SETTING TOOL TO SAID BODY; MEANS RETAINING SAID RELEASABLE MEANS IN POSITION CONNECTING SAID SETTING TOOL TO SAID BODY; AND MEANS RESPONSIVE TO MOVEMENT OF SAID HYDRAULICALLY OP-
References Cited (Backward Citations)
US2315921A
Cited
US2315931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |