US3306052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floatable structure and method of operating same
Assignee: DIRECTO CORP
•
Filing: 1963-08-26
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Granted: 1967-02-28
•
Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Kawasaki Masasuke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:02
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/02; E02B17/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A PLATFORM STRUCTURE FOR OFFSHORE LOCATION COMPRISING, A PLATFORM, A PLURALITY OF V-SHAPED LEGS, EACH LEG INCLUDING TWO TUBULAR SECTIONS JOINTED TOGETHER AT ONE END AND SECURED TOGETHER AT ITS OTHER END BY AN ARM TO FORM THE V-SHAPED LEGS, EACH OF SAID LEGS BEING PIVOTALLY SECURED TO SAID PLATFORM AT THE ARM END OF ONE OF SAID TUBULAR SECTIONS, EACH OF SAID TUBULAR SECTIONS BEING COMPARTMENTED TO RECEIVE BALLAST, A BOLTING PLATE SECURED TO THE ARM END OF THE TUBULAR SECTION OF EACH LEG OPPOSITE THE TUBULAR SECTION WHICH IS PIVOTALLY SECURED TO SAID PLATFORM FOR SECURING SAID LEG TO SAID PLATFORM, AND MEANS FOR BALLASTING AND DEBALLASTING THE COMPARTMENTS IN SAID TUBULAR SECTIONS TO PIVOT SAID LEGS WITH RESPECT TO SAID PLATFORM.
Claim 2
Dependent Claim
124 words
A PLATFORM STRUCTURE FOR OFFSHORE LOCATION COMPRISING, A PLATFORM, A PLURALITY OF V-SHAPED LEGS, EACH LEG INCLUDING TWO TUBULAR SECTIONS JOINTED TOGETHER AT ONE END AND SECURED TOGETHER AT ITS OTHER END BY AN ARM TO FORM THE V-SHAPED LEGS, EACH OF SAID LEGS BEING PIVOTALLY SECURED TO SAID PLATFORM AT THE ARM END OF ONE OF SAID TUBULAR SECTIONS, EACH OF SAID TUBULAR SECTIONS BEING COMPARTMENTED TO RECEIVE BALLAST, A BOLTING PLATE SECURED TO THE ARM END OF THE TUBULAR SECTION OF EACH LEG OPPOSITE THE TUBULAR SECTION WHICH IS PIVOTALLY SECURED TO SAID PLATFORM FOR SECURING SAID LEG TO SAID PLATFORM, AND MEANS FOR BALLASTING AND DEBALLASTING THE COMPARTMENTS IN SAID TUBULAR SECTIONS TO PIVOT SAID LEGS WITH RESPECT TO SAID PLATFORM.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |