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US3259371A
Expired / Lapsed
US
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Wave cancellation system for a floating drilling vessel
Assignee: Shell USA Inc
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Filing: 1964-09-18
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Granted: 1966-07-05
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Expires: 1984-09-18
Abstract
No abstract record available.
Inventors
- 👤 Benjamin L Goepfert
- 👤 Jr Howard L Shatto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:20
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/02; G05D1/0206; G05D1/0208; B; B63; B63B; B63B35/00; B63B35/44; B63B35/4413; E; E02; E02B; E02B17/00; E21; E21B; E21B19/00; E21B19/08; E21B19/09; E21B47/00; E21B47/001; Y; Y10; Y10S; Y10S254/00; Y10S254/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN APPARATUS FOR SUPPORTING A DEVICE FOR A FLOATING MARINE PLATFORM THAT MOVES VERTICALLY IN RESPONSE TO WAVE ACTION, SAID APPARATUS COMPRISING: AN ELONGATED MEMBER EXTENDING FROM SAID PLATFORM TO SAID DEVICE FOR SUPPORTING SAID DEVICE; MEASURING MEANS DISPOSED ON SAID PLATFORM TO MEASURE THE VERTICAL MOVEMENT OF THE PLATFORM RELATIVE TO THE BOTTOM OF THE WATER; AN ACTUATING MEANS DISPOSED ON THE PLATFORM AND COUPLED TO THE ELONGATED MEMBER FOR MOVING SAID ELONGATED MEMBER TO TAKE IN OR PAY OUT THE MEMBER AS THE PLATFORM MOVES IN RESPONSE TO WAVE ACTION; AND SAID ACTUATING MEANS HAVING A LINEARLY MOVABLE MEMBER, SAID LINEARLY MOVABLE MEMBER BEING COUPLED TO SAID MEASURING MEANS TO POSITION SAID ACTUATING MEANS IN RESPONSE TO THE MOVEMENT OF SAID PLATFORM RELATIVE TO THE BOTTOM OF THE WATER SUPPORTING THE PLATFORM.
Claim 2
Independent Claim
134 words
AN APPARATUS FOR SUPPORTING A DEVICE FOR A FLOATING MARINE PLATFORM THAT MOVES VERTICALLY IN RESPONSE TO WAVE ACTION, SAID APPARATUS COMPRISING: AN ELONGATED MEMBER EXTENDING FROM SAID PLATFORM TO SAID DEVICE FOR SUPPORTING SAID DEVICE; MEASURING MEANS DISPOSED ON SAID PLATFORM TO MEASURE THE VERTICAL MOVEMENT OF THE PLATFORM RELATIVE TO THE BOTTOM OF THE WATER; AN ACTUATING MEANS DISPOSED ON THE PLATFORM AND COUPLED TO THE ELONGATED MEMBER FOR MOVING SAID ELONGATED MEMBER TO TAKE IN OR PAY OUT THE MEMBER AS THE PLATFORM MOVES IN RESPONSE TO WAVE ACTION; AND SAID ACTUATING MEANS HAVING A LINEARLY MOVABLE MEMBER, SAID LINEARLY MOVABLE MEMBER BEING COUPLED TO SAID MEASURING MEANS TO POSITION SAID ACTUATING MEANS IN RESPONSE TO THE MOVEMENT OF SAID PLATFORM RELATIVE TO THE BOTTOM OF THE WATER SUPPORTING THE 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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |