US3191570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Horizontal stabilization of floating structures
Assignee: Phillips Petroleum Co
•
Filing: 1963-03-04
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Granted: 1965-06-29
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Eulas W Henderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:55
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/02; G05D1/0206; G05D1/0208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A FREE-FLOATING, WATER-BORNE, WALL DRILLING PLATFORM SYSTEM COMPRISING A PLATFORM; A PLURALITY OF FLOATS SECURED TO SAID PLATFORM SO AS TO SUPPORT SAID PLATFORM ABOVE A BODY OF WATER; A CASING HAVING THE UPPER OPEN END SECURED TO SAID PLATFORM AND THE LOWER OPEN END SECURED IN AN EARTHEN FORMATION BENEATH SAID PLATFORM; AT LEAST 3 STRAIN GAUGES SECURED TO SAID CASING AT A POINT ABOVE AND ADJACENT THE BOTTOM OF SAID BODY OF WATER AND EQUALLY SPACED ABOUT THE CASING; AT LEAST 3 PROPULSION UNITS POSITIONED ON SAID PLATFORM EACH OF WHICH IS IN A VERTICAL PLANE WHICH INCLUDES ONE IN SAID STRAIN GAUGES, THE CENTER OF THE PIPE AND THE DIRECTION OF THRUST OF ONE OF SAID
Claim 2
Dependent Claim
119 words
A FREE-FLOATING, WATER-BORNE, WALL DRILLING PLATFORM SYSTEM COMPRISING A PLATFORM; A PLURALITY OF FLOATS SECURED TO SAID PLATFORM SO AS TO SUPPORT SAID PLATFORM ABOVE A BODY OF WATER; A CASING HAVING THE UPPER OPEN END SECURED TO SAID PLATFORM AND THE LOWER OPEN END SECURED IN AN EARTHEN FORMATION BENEATH SAID PLATFORM; AT LEAST 3 STRAIN GAUGES SECURED TO SAID CASING AT A POINT ABOVE AND ADJACENT THE BOTTOM OF SAID BODY OF WATER AND EQUALLY SPACED ABOUT THE CASING; AT LEAST 3 PROPULSION UNITS POSITIONED ON SAID PLATFORM EACH OF WHICH IS IN A VERTICAL PLANE WHICH INCLUDES ONE IN SAID STRAIN GAUGES, THE CENTER OF THE PIPE AND THE DIRECTION OF THRUST OF ONE OF SAID
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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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |