Patent US3105556A successfully refreshed from Google Patents.
US3105556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchoring and sealing devices
Assignee: Otis Engineering Corp
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Filing: 1959-05-28
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Granted: 1963-10-01
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Expires: 1979-05-28
Abstract
No abstract record available.
Inventors
- 👤 Raulins George Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:29
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B23/00; E21B23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A WELL TOOL COMPRISING: AN ELONGATE TUBULAR MEMBER; LOCKING MEANS ON SAID TUBULAR MEMBER AND HAVING OUTWARDLY PROJECTING BOSS MEANS DISPOSED BELOW THE LOWER END OF THE TUBULAR MEMBER AND ADAPTED BELOW THE LATERALLY BETWEEN RETRACTED AND PROJECTING POSITIONS TO EXTEND OUTWARDLY OF THE TUBULAR MEMBER; A BODY INSERTABLE INTO THE UPPER END OF AND MOVABLE LONGITUDINALLY INTO THE TUBULAR MEMBER TO A POSITION TO ENGAGE AND HOLD THE LOCKING MEANS WIHT THE BOSS MEANS IN PROJECTING POSITIONS; COOPERATING SEALING MEANS ON THE TUBULAR MEMBER AND THE BODY FOR SEALING THEREBETWEEN; MEANS ON THE TUBULAR MEMBER AND THE BODY ENGAGEABLE WITH EACH OTHER FOR LIMITING MOVEMENT OF THE BODY LONGITUDINALLY INTO SAID TUBULAR MEMBER, WHEREBY THE BODY IS POSITIONED IN THE TUBULAR MEMBER TO ENGAGE AND HOLD THE LOCKING MEANS IN PROJECTING POSITION AND THE SEALING MEANS IS POSITIONED TO SEAL BETWEEN THE BODY AND THE TUBULAR MEMBER; AND COOPERATING LOCK MEANS ON THE TUBULAR MEMBER AND THE BODY FOR PREVENTING NON-ROTATIONAL MOVEMENT OF THE BODY
Claim 2
Dependent Claim
166 words
A WELL TOOL COMPRISING: AN ELONGATE TUBULAR MEMBER; LOCKING MEANS ON SAID TUBULAR MEMBER AND HAVING OUTWARDLY PROJECTING BOSS MEANS DISPOSED BELOW THE LOWER END OF THE TUBULAR MEMBER AND ADAPTED BELOW THE LATERALLY BETWEEN RETRACTED AND PROJECTING POSITIONS TO EXTEND OUTWARDLY OF THE TUBULAR MEMBER; A BODY INSERTABLE INTO THE UPPER END OF AND MOVABLE LONGITUDINALLY INTO THE TUBULAR MEMBER TO A POSITION TO ENGAGE AND HOLD THE LOCKING MEANS WIHT THE BOSS MEANS IN PROJECTING POSITIONS; COOPERATING SEALING MEANS ON THE TUBULAR MEMBER AND THE BODY FOR SEALING THEREBETWEEN; MEANS ON THE TUBULAR MEMBER AND THE BODY ENGAGEABLE WITH EACH OTHER FOR LIMITING MOVEMENT OF THE BODY LONGITUDINALLY INTO SAID TUBULAR MEMBER, WHEREBY THE BODY IS POSITIONED IN THE TUBULAR MEMBER TO ENGAGE AND HOLD THE LOCKING MEANS IN PROJECTING POSITION AND THE SEALING MEANS IS POSITIONED TO SEAL BETWEEN THE BODY AND THE TUBULAR MEMBER; AND COOPERATING LOCK MEANS ON THE TUBULAR MEMBER AND THE BODY FOR PREVENTING NON-ROTATIONAL MOVEMENT OF THE BODY
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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |