Patent US957548A successfully refreshed from Google Patents.
Patent US3158201A successfully refreshed from Google Patents.
US3158201A
Expired / Lapsed
US
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Liner hanger and setting tool
Assignee: Alad Oil Tool Inc
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Filing: 1961-10-31
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Granted: 1964-11-24
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Expires: 1981-10-31
Abstract
No abstract record available.
Inventors
- 👤 Amos D Springer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:12
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/129; E21B33/1295; E21B33/12955; E21B23/00; E21B23/04; E21B23/0411; E21B23/0419; E21B23/042; E21B23/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A LINER HANGER AND SETTING TOOL ASSEMBLY COMPRISING: A HANGER BODY; AN ANNULAR SLEEVE MEMBER THREADEDLY COUPLED CONCENTRICALLY WITHIN SAID BODY AND THEREBY MOVABLE LONGITUDINALLY THEREIN BY ROTATION RELATIVE TO SAID BODY; SLIP MEANS AND SLIP EXPANDER MEANS CARRIED BY SAID BODY, SAID SLIP MEANS BEING MOVABLE ON SAID EXPANDER MEANS BETWEEN RETRACTED AND EXTENDED POSITIONS RELATIVE THERETO; MEANS COUPLING SAID ANNULAR SLEEVE MEMBER TO SAID SLIP MEANS, WHEREBY LONGITUDINAL MOVEMENT OF SAID SLEEVE MEMBER ATTENDANT UPON ROTATION OF SAID SLEEVE MEMBER RELATIVE TO SAID BODY MOVES SAID SLIP MEANS ON SAID EXPANDER MEANS BETWEEN SAID RETRACTED AND EXTENDED POSITIONS; AND SETTING TOOL MEANS CONNECTED TO SAID BODY AND ROTATABLE RELATIVE THERETO, SAID SETTING TOOL MEANS INCLUDING MEANS DETACHABLY ENGAGING SAID ANNULAR SLEEVE MEMBER FOR TRANSMITTING ROTATION OF SAID SETTING TOOL TO SAID SLEEVE MEMBER RELATIVE TO SAID BODY, THEREBY TO MOVE SAID SLIPS AS AFORESAID.
Claim 2
Dependent Claim
146 words
A LINER HANGER AND SETTING TOOL ASSEMBLY COMPRISING: A HANGER BODY; AN ANNULAR SLEEVE MEMBER THREADEDLY COUPLED CONCENTRICALLY WITHIN SAID BODY AND THEREBY MOVABLE LONGITUDINALLY THEREIN BY ROTATION RELATIVE TO SAID BODY; SLIP MEANS AND SLIP EXPANDER MEANS CARRIED BY SAID BODY, SAID SLIP MEANS BEING MOVABLE ON SAID EXPANDER MEANS BETWEEN RETRACTED AND EXTENDED POSITIONS RELATIVE THERETO; MEANS COUPLING SAID ANNULAR SLEEVE MEMBER TO SAID SLIP MEANS, WHEREBY LONGITUDINAL MOVEMENT OF SAID SLEEVE MEMBER ATTENDANT UPON ROTATION OF SAID SLEEVE MEMBER RELATIVE TO SAID BODY MOVES SAID SLIP MEANS ON SAID EXPANDER MEANS BETWEEN SAID RETRACTED AND EXTENDED POSITIONS; AND SETTING TOOL MEANS CONNECTED TO SAID BODY AND ROTATABLE RELATIVE THERETO, SAID SETTING TOOL MEANS INCLUDING MEANS DETACHABLY ENGAGING SAID ANNULAR SLEEVE MEMBER FOR TRANSMITTING ROTATION OF SAID SETTING TOOL TO SAID SLEEVE MEMBER RELATIVE TO SAID BODY, THEREBY TO MOVE SAID SLIPS AS AFORESAID.
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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |