US3176644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable dampener for vessels
Assignee: Movible Offshore Inc
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Filing: 1963-06-26
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Granted: 1965-04-06
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Expires: 1983-06-26
Abstract
No abstract record available.
Inventors
- 👤 Maurice B Thomas
- 👤 James L Steitle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:09
CPC Classifications
B; B63; B63B; B63B39/00; B63B39/06; B63B2039/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A PITCH DAMPENING APPARATUS FOR DAMPENING THE VERTICAL MOVEMENT OF A CRANE POSITIONED ON AND AT ONE END OF A VESSEL COMPRISING, A SINGLE ELONGATE HOLLOW BODY HORIZONTALLY DISPOSED BENEATH THE HULL OF THE VESSEL AT SAID ONE END, SAID BODY BEING POSITIONED ECCENTRICALLY OF THE MIDSHIP OF THE VESSEL AND ADJACENT SAID CRANE FOR DAMPENING ONLY THE VERTICAL MOVEMENT OF SAID ONE END OF THE VESSEL AND THE CRANE DUE TO THE PITCH OF THE VESSEL, A PLURALITY OF ELONGATE VERTICAL TUBULAR SUPPORT MEMBERS CONNECTED TO THE BODY FOR SUPPORTING AND VERTICALLY POSITIONED SAID BODY , TUBULAR WELLS CONNECTED TO SAID VESSELS FOR RECEIVING SAID TUBULAR SUPPORT MEMBERS, AND VERTICAL POSITIONING MEANS CONNECTED BETWEEN SAID TUBULAR WELLS AND SAID TUBULAR SUPPORT MEMBERS FOR SLIDABLY AND ADJUSTABLY POSITIONING THE HORIZONTAL BODY IN A VERTICAL DIRECTION FOR POSITIONING AT VARIOUS DEPTHS.
Claim 2
Dependent Claim
140 words
A PITCH DAMPENING APPARATUS FOR DAMPENING THE VERTICAL MOVEMENT OF A CRANE POSITIONED ON AND AT ONE END OF A VESSEL COMPRISING, A SINGLE ELONGATE HOLLOW BODY HORIZONTALLY DISPOSED BENEATH THE HULL OF THE VESSEL AT SAID ONE END, SAID BODY BEING POSITIONED ECCENTRICALLY OF THE MIDSHIP OF THE VESSEL AND ADJACENT SAID CRANE FOR DAMPENING ONLY THE VERTICAL MOVEMENT OF SAID ONE END OF THE VESSEL AND THE CRANE DUE TO THE PITCH OF THE VESSEL, A PLURALITY OF ELONGATE VERTICAL TUBULAR SUPPORT MEMBERS CONNECTED TO THE BODY FOR SUPPORTING AND VERTICALLY POSITIONED SAID BODY , TUBULAR WELLS CONNECTED TO SAID VESSELS FOR RECEIVING SAID TUBULAR SUPPORT MEMBERS, AND VERTICAL POSITIONING MEANS CONNECTED BETWEEN SAID TUBULAR WELLS AND SAID TUBULAR SUPPORT MEMBERS FOR SLIDABLY AND ADJUSTABLY POSITIONING THE HORIZONTAL BODY IN A VERTICAL DIRECTION FOR POSITIONING AT VARIOUS DEPTHS.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |