US3307624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load-supporting structure, particularly for marine wells
Assignee: Pan American Petroleum Corp
•
Filing: 1963-05-22
•
Granted: 1967-03-07
•
Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 Lubinski Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:27
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/12; E21B7/136; E02; E02B; E02B17/00; E02D; E02D27/00; E02D27/32; E21B15/00; E21B15/02; E21B43/00; E21B43/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A STABLE LOAD-SUPPORTING MARINE STRUCTURE COMPRISING AN ELONGATED VERTICAL HOLLOW COMPRESSION MEMBER HAVING ITS BOTTOM END FIXED SOLIDLY IN THE EARTH BELOW THE MARINE BOTTOM AND ITS UPPER PORTION EXTENDING FOR A SUBSTANTIAL DISTANCE THROUGH THE WATER TO A POINT IN THE VICINITY OF THE WATER SURFACE, THE STRENGTH AND STABILITY OF SAID HOLLOW MEMBER BEING SUFFICIENT TO SUPPORT SUBSTANTIALLY ONLY ITS OWN WEIGHT AND ANY EXTERNAL LOADS OR FORCES IMPOSED ON IT, AND A TENSION MEMBER FOR CARRYING ADDITIONAL WEIGHT EXTENDING BELOW SAID BOTTOM END OF SAID HOLLOW MEMBER, THE COMBINED LOADS CARRIED BY SAID HOLLOW AND SAID TENSION MEMBERS SUBSTANTIALLY EXCEEDING THAT WHICH SAID HOLLOW MEMBER ALONE MAY SUPPORT AS AN EXTERNAL LOAD WITHOUT BUCKLING, SAID TENSION MEMBER BEING ATTACHED TO THE CENTER OF THE UPPER END OF SAID HOLLOW MEMBER AND HAVING A SMALL CLEARANCE WITHIN SAID HOLLOW MEMBER AT AT LEAST ONE POINT INTERMEDIATE ITS ENDS, SO THAT THE TENDENCY OF SAID HOLLOW MEMBER TO BEND DUE TO SAID ADDITIONAL WEIGHT BRINGS SAID MEMBERS INTO CONTACT AT LEAST
Claim 2
Dependent Claim
172 words
A STABLE LOAD-SUPPORTING MARINE STRUCTURE COMPRISING AN ELONGATED VERTICAL HOLLOW COMPRESSION MEMBER HAVING ITS BOTTOM END FIXED SOLIDLY IN THE EARTH BELOW THE MARINE BOTTOM AND ITS UPPER PORTION EXTENDING FOR A SUBSTANTIAL DISTANCE THROUGH THE WATER TO A POINT IN THE VICINITY OF THE WATER SURFACE, THE STRENGTH AND STABILITY OF SAID HOLLOW MEMBER BEING SUFFICIENT TO SUPPORT SUBSTANTIALLY ONLY ITS OWN WEIGHT AND ANY EXTERNAL LOADS OR FORCES IMPOSED ON IT, AND A TENSION MEMBER FOR CARRYING ADDITIONAL WEIGHT EXTENDING BELOW SAID BOTTOM END OF SAID HOLLOW MEMBER, THE COMBINED LOADS CARRIED BY SAID HOLLOW AND SAID TENSION MEMBERS SUBSTANTIALLY EXCEEDING THAT WHICH SAID HOLLOW MEMBER ALONE MAY SUPPORT AS AN EXTERNAL LOAD WITHOUT BUCKLING, SAID TENSION MEMBER BEING ATTACHED TO THE CENTER OF THE UPPER END OF SAID HOLLOW MEMBER AND HAVING A SMALL CLEARANCE WITHIN SAID HOLLOW MEMBER AT AT LEAST ONE POINT INTERMEDIATE ITS ENDS, SO THAT THE TENDENCY OF SAID HOLLOW MEMBER TO BEND DUE TO SAID ADDITIONAL WEIGHT BRINGS SAID MEMBERS INTO CONTACT AT LEAST
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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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |