Patent US3094847A successfully refreshed from Google Patents.
US3094847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Offshore platform structure
Assignee: Shell USA Inc
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Filing: 1960-10-19
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Granted: 1963-06-25
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Expires: 1980-10-19
Abstract
No abstract record available.
Inventors
- 👤 Ivo C Pogonowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:27
CPC Classifications
E; E02; E02B; E02B17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
AN OFFSHORE PLATFORM STRUCTURE COMPRISING A FRAMEWORK-TYPE SUBSTRUCTURE MADE UP OF A PLURALITY OF PREFABRICATED TUBULAR-LEGGED SUBSTRUCTURE SECTIONS ADAPTED TO BE POSITIONED ON THE FLOOR OF A BODY OF WATER ONE AT A TIME, EACH OF SAID SUBSTRUCTURE SECTIONS HAVING A PLURALITY OF LONG VERTICAL LEGS OF A LENGTH GREATER THAN THE WATER DEPTH WHEN NORMALLY EXTENDING TO THE WATER BOTTOM AND A PLURALITY OF SHORT VERTICAL LEGS, CROSS-BRACING MEMBERS SECURING THE LONG AND SHORT LEGS TOGETHER TO FORM A FRAMEWORK, AT LEAST ONE OF SAID SUBSTRUCTURE SECTIONS HAVING AT LEAST TWO SHORT LEGS ARRANGED IN THE LOWER PORTION OF THE SECTION ON ONE SIDE THEREOF, A GUIDE PILE EXTENDING THROUGH
Claim 2
Dependent Claim
111 words
AN OFFSHORE PLATFORM STRUCTURE COMPRISING A FRAMEWORK-TYPE SUBSTRUCTURE MADE UP OF A PLURALITY OF PREFABRICATED TUBULAR-LEGGED SUBSTRUCTURE SECTIONS ADAPTED TO BE POSITIONED ON THE FLOOR OF A BODY OF WATER ONE AT A TIME, EACH OF SAID SUBSTRUCTURE SECTIONS HAVING A PLURALITY OF LONG VERTICAL LEGS OF A LENGTH GREATER THAN THE WATER DEPTH WHEN NORMALLY EXTENDING TO THE WATER BOTTOM AND A PLURALITY OF SHORT VERTICAL LEGS, CROSS-BRACING MEMBERS SECURING THE LONG AND SHORT LEGS TOGETHER TO FORM A FRAMEWORK, AT LEAST ONE OF SAID SUBSTRUCTURE SECTIONS HAVING AT LEAST TWO SHORT LEGS ARRANGED IN THE LOWER PORTION OF THE SECTION ON ONE SIDE THEREOF, A GUIDE PILE EXTENDING THROUGH
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |