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US3271963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine structure
Assignee: Pan American Petroleum Corp
•
Filing: 1964-02-13
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Granted: 1966-09-13
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Expires: 1984-02-13
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Blenkarn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:51
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/0017; E02B17/0021; E02B2017/0095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A MARINE STRUCTURE COMPRISING A LARGE-DIAMETER TUBULAR MEMBER HAVING ITS LOWER END AFFIXED TO A FORMATION UNDERLYING A BODY OF WATER AND EXTENDING UPWARDLY FROM SAID FORMATION TO A POINT ABOVE THE SURFACE OF THE WATER; A CONDUIT MEMBER HAVING ITS LOWER END CONNECTED TO A WELL IN SAID FORMATION AND EXTENDING UPWARDLY FROM SAID WELL TO THE SURFACE OF THE WATER; SAID CONDUIT MEMBER BEING POSITIONED INSIDE SAID LARGE-DIAMETER MEMBER AND STRUCTURALLY ISOLATED THEREFROM CONTINUOUSLY ABOVE A POINT ADJACENT SAID FORMATION, WHEREBY VIBRATIONS INDUCED IN SAID LARGE-DIAMETER MEMBER ARE PREVENTED FROM BEING TRANSMITTED TO SAID CONDUIT MEMBER; AND A WELL HEAD ASSEMBLY MOUNTED ON SAID CONDUIT MEMBER ABOVE THE SUR-
Claim 2
Dependent Claim
111 words
A MARINE STRUCTURE COMPRISING A LARGE-DIAMETER TUBULAR MEMBER HAVING ITS LOWER END AFFIXED TO A FORMATION UNDERLYING A BODY OF WATER AND EXTENDING UPWARDLY FROM SAID FORMATION TO A POINT ABOVE THE SURFACE OF THE WATER; A CONDUIT MEMBER HAVING ITS LOWER END CONNECTED TO A WELL IN SAID FORMATION AND EXTENDING UPWARDLY FROM SAID WELL TO THE SURFACE OF THE WATER; SAID CONDUIT MEMBER BEING POSITIONED INSIDE SAID LARGE-DIAMETER MEMBER AND STRUCTURALLY ISOLATED THEREFROM CONTINUOUSLY ABOVE A POINT ADJACENT SAID FORMATION, WHEREBY VIBRATIONS INDUCED IN SAID LARGE-DIAMETER MEMBER ARE PREVENTED FROM BEING TRANSMITTED TO SAID CONDUIT MEMBER; AND A WELL HEAD ASSEMBLY MOUNTED ON SAID CONDUIT MEMBER ABOVE THE SUR-
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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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |