Patent US4324459A successfully refreshed from Google Patents.
US4058461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil salvage ship with ocean going bow
Assignee: Individual
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Filing: 1976-10-05
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Granted: 1977-11-15
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Expires: 1996-10-05
Abstract
Abstract A tanker ship designed with a bow so to scoop up spilled oil from a surface of a sea; the ship including a doorway at the water level for admitting oil and surface water as the ship moves ahead, and which is pumped into settling tanks from which the water is pumped overboard so that only the oil is collected; the bow having two hinged doors at the bow behind which a rearwardly converging vestibule or scoop having a rear vertical plate with grid-screened ports at all levels, a selected one of which is opened to admit the surface oil.
Inventors
- 👤 Thomas I. Gaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:23
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/046; B; B63; B63B; B63B35/00; B63B35/32; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/204; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/923
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
88 words
An oil salvage ship, comprising in combination, a hull having a doorway at its bow closable by a pair of doors, a rearwardly converging vestibule behind said doorway forming a scoop as part of said ship and having a rear vertical plate, a plurality of selectively openable grid-screened ports at different elevations through said plate, said ports communicating with an oil collection system on said ship; whereby as the draft of the ship varies, at least one port will be at the water surface to admit surface oil.
Claim 2
Dependent Claim
88 words
An oil salvage ship, comprising in combination, a hull having a doorway at its bow closable by a pair of doors, a rearwardly converging vestibule behind said doorway forming a scoop as part of said ship and having a rear vertical plate, a plurality of selectively openable grid-screened ports at different elevations through said plate, said ports communicating with an oil collection system on said ship; whereby as the draft of the ship varies, at least one port will be at the water surface to admit surface oil.
Claim 3
Dependent Claim
37 words
The combination as set forth in claim 1 wherein said oil collection system includes a pipe extension from each said pot being fitted with a valve, said extensions being connected to a manifold leading toward storage tanks.
Claim 4
Dependent Claim
32 words
The combination as set forth in claim 2 wherein said bow doors are connected to cables which at one end are wound up on winches for pulling said doors open or closed.
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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) | 1980-11-14 | 1981-05-16 | 1981-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-14 | 1985-05-16 | 1985-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-14 | 1989-05-16 | 1989-11-15 | $7700.00 | Window Closed / Lapsed |