US3700593A
Expired / Lapsed
US
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Apparatus and method for removing oil products floating on water
Assignee: Shell USA Inc
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Filing: 1970-12-21
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Granted: 1972-10-24
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Expires: 1990-12-21
Abstract
Abstract AN APPARATUS AND METHOD FOR REMOVING OIL SLICKS FROM A WATER SURFACE WHEREIN AN ELONGATED ABSORBENT POROUS BODY IS POSITIONED ALONG THE WATER SURFACE BY BASE MEANS WHICH INCLUDE SQUEEZERS FOR REMOVING OIL FROM THE BODY, A CONTAINER FOR COLLECTING THE OIL AND DRIVE MEANS FOR MOVING THE BODY PAST THE SQUEEZERS.
Inventors
- 👤 Cornelis Bezemer
- 👤 Harco J Tadema
- 👤 Jacob J H C Houbolt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:14
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/10; E02B15/101; E02B15/06; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |