US3072420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubing hanger assembly
Assignee: FMC Corp
•
Filing: 1958-12-08
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Granted: 1963-01-08
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Expires: 1978-12-08
Abstract
No abstract record available.
Inventors
- 👤 Jacob M Lebeaux
- 👤 Carlos E Ballard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:52
CPC Classifications
F; F16; F16L; F16L39/00; E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/04; E21B33/047; F16L7/00; F16L7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
APPARATUS FOR SUSPENDING TWO STRINGS OF TUBING WITHIN A WELL, COMPRISING A TUBING HEAD HAVING A BORE THERETHROUGH, TWO TUBING HANGER COUPLINGS RECEIVABLE SIDE-BY-SIDE WITHIN THE BORE OF SAID TUBING HEAD, EACH OF SAID COUPLINGS INCLUDING A SEMI-CYLINDRICAL FLANGE AND TUBULAR PORTION PROJECTING THEREFROM AND ROTATABLY CONNECTED THERETO, EACH OF SAID TUBING STRINGS BEING CONNECTED TO THE TUBULAR PORTION OF ONE OF SAID COUPLINGS, THE FLANGES OF SAID TWO HANGER COUPLINGS BEING ARRANGED WITH THEIR FLAT SURFACES IN FACE-TO-FACE RELATION, AND INDEPENDENT SUPPORTING MEANS FOR EACH OF SAID HANGER COUPLINGS MOUNTED ON SAID TUBING HEAD, EACH OF SAID SUPPORTING MEANS BEING MOVABLE BETWEEN AN OPERATIVE POSITION PROJECTING INTO THE TUBING HEAD BORE UNDER THE FLANGE OF THE ASSOCIATED COUPLING TO SUPPORT THE COUPLING AND AN INOPERATIVE POSITION REMOVED FROM THE TUBING HEAD BORE TO ALLOW PASSAGE OF THE ASSOCIATED COUPLING THROUGH THE TUBING HEAD BORE.
Claim 2
Dependent Claim
145 words
APPARATUS FOR SUSPENDING TWO STRINGS OF TUBING WITHIN A WELL, COMPRISING A TUBING HEAD HAVING A BORE THERETHROUGH, TWO TUBING HANGER COUPLINGS RECEIVABLE SIDE-BY-SIDE WITHIN THE BORE OF SAID TUBING HEAD, EACH OF SAID COUPLINGS INCLUDING A SEMI-CYLINDRICAL FLANGE AND TUBULAR PORTION PROJECTING THEREFROM AND ROTATABLY CONNECTED THERETO, EACH OF SAID TUBING STRINGS BEING CONNECTED TO THE TUBULAR PORTION OF ONE OF SAID COUPLINGS, THE FLANGES OF SAID TWO HANGER COUPLINGS BEING ARRANGED WITH THEIR FLAT SURFACES IN FACE-TO-FACE RELATION, AND INDEPENDENT SUPPORTING MEANS FOR EACH OF SAID HANGER COUPLINGS MOUNTED ON SAID TUBING HEAD, EACH OF SAID SUPPORTING MEANS BEING MOVABLE BETWEEN AN OPERATIVE POSITION PROJECTING INTO THE TUBING HEAD BORE UNDER THE FLANGE OF THE ASSOCIATED COUPLING TO SUPPORT THE COUPLING AND AN INOPERATIVE POSITION REMOVED FROM THE TUBING HEAD BORE TO ALLOW PASSAGE OF THE ASSOCIATED COUPLING THROUGH THE TUBING HEAD BORE.
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |