US3287030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hanger having locking and sealing means
Assignee: Vetco Gray LLC
•
Filing: 1963-01-09
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Granted: 1966-11-22
•
Expires: 1983-01-09
Abstract
No abstract record available.
Inventors
- 👤 Robert L Crain
- 👤 Jr Elwood K Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:34
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/04; E21B33/043; E21B41/00; E21B41/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A HANGER AND TOOL FOR USE IN SUSPENDING A STRING OF TUBING OR CASING IN A WELL STRUCTURE COMPRISING: A HANGER BODY HAVING AN AXIAL BORE AND AN EXTERIOR TAPERED SURFACE INTERMEDIATE ITS ENDS FOR ENGAGING A COMPLEMENTARY SURFACE IN THE WELL STRUCTURE; AT LEAST ONE LATERALLY MOVABLE LOCKING ELEMENT CARRIED BY SAID HANGER BODY FOR ENGAGEMENT WITH A RECESS WITHIN THE WELL STRUCTURE; FIRST THREAD MEANS ON THE UPPER INNER EXTREMITY OF SAID HANGER BODY; SECOND THREAD MEANS OF OPPOSITE ROTATION FROM SAID FIRST THREAD MEANS ON THE UPPER OUTER EXTREMITY OF SAID HANGER BODY; HANGER SLEEVE MEANS ENGAGING SAID SECOND THREAD MEANS AND INCLUDING MEANS ENGAGEABLE WITH SAID LOCKING ELEMENT TO MOVE THE SAME LATERALLY; A TOOL BODY HAVING A BORE COAXIAL WITH THE BORE OF SAID HANGER BODY; A TOOL SLEEVE CONNECTED TO SAID TOOL BODY FOR ROTATION THEREWITH AND FOR INDEPENDENT LONGITUDINAL MOVEMENT, THE LOWER END OF SAID TOOL SLEEVE THREADEDLY ENGAGING SAID FIRST THREAD MEANS; AND COMPLEMENTARY TOOTH AND SOCKET
Claim 2
Dependent Claim
165 words
A HANGER AND TOOL FOR USE IN SUSPENDING A STRING OF TUBING OR CASING IN A WELL STRUCTURE COMPRISING: A HANGER BODY HAVING AN AXIAL BORE AND AN EXTERIOR TAPERED SURFACE INTERMEDIATE ITS ENDS FOR ENGAGING A COMPLEMENTARY SURFACE IN THE WELL STRUCTURE; AT LEAST ONE LATERALLY MOVABLE LOCKING ELEMENT CARRIED BY SAID HANGER BODY FOR ENGAGEMENT WITH A RECESS WITHIN THE WELL STRUCTURE; FIRST THREAD MEANS ON THE UPPER INNER EXTREMITY OF SAID HANGER BODY; SECOND THREAD MEANS OF OPPOSITE ROTATION FROM SAID FIRST THREAD MEANS ON THE UPPER OUTER EXTREMITY OF SAID HANGER BODY; HANGER SLEEVE MEANS ENGAGING SAID SECOND THREAD MEANS AND INCLUDING MEANS ENGAGEABLE WITH SAID LOCKING ELEMENT TO MOVE THE SAME LATERALLY; A TOOL BODY HAVING A BORE COAXIAL WITH THE BORE OF SAID HANGER BODY; A TOOL SLEEVE CONNECTED TO SAID TOOL BODY FOR ROTATION THEREWITH AND FOR INDEPENDENT LONGITUDINAL MOVEMENT, THE LOWER END OF SAID TOOL SLEEVE THREADEDLY ENGAGING SAID FIRST THREAD MEANS; AND COMPLEMENTARY TOOTH AND SOCKET
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |