US3558160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
External wellhead connector means
Assignee: Fluor Corp
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Filing: 1968-11-14
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Granted: 1971-01-26
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Expires: 1988-11-14
Abstract
Abstract A CONNECTOR MEANS FOR A SUBSEA WELLHEAD ASSEMBLY WHEREIN WELLHEAD MEMBERS MAY BE QUICKLY RELEASABLY CONNECTED BY MEANS OF EXTERNALLY ACTUATED INTERLOCKING MEANS COMPRISING A LOCKING BOLT DISPOSED AND ACCESSIBLE AT THE OUTER SURFACE OF AN OUTER BARREL MEANS AND A LOCK LUG ON AN INNER MANDREL MEANS PROVIDED WITH WEDGE SURFACE ENGAGEMENT WITH A WEDGE SURFACE ON THE LOCKING BOLT.
Inventors
- 👤 Chester B Falkner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:53
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/12; E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/035; E21B33/038; F16L37/24; F16L37/244; F16L37/252
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |