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US3105556A Expired / Lapsed US ⏱️ 0.0 years remaining

Anchoring and sealing devices

Assignee: Otis Engineering Corp
•
Filing: 1959-05-28
•
Granted: 1963-10-01
•
Expires: 1979-05-28
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Abstract

No abstract record available.

Inventors

  • 👤 Raulins George Max

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 14:31
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)

US2665931A Cited
US2751238A Cited
US2798559A Cited
US2862560A Cited
US2948338A Cited

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

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