Patent US3928205A successfully refreshed from Google Patents.
US3928205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of floating pollutants
Assignee: Shell USA Inc
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Filing: 1974-05-17
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Granted: 1975-12-23
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Expires: 1994-05-17
Abstract
Abstract Apparatus and method for removing a polluting liquid from a water surface, the apparatus being composed of discrete sorbent bodies connected by a tension member and positioned along the water surface in contact with the floating pollutant; the method involving positioning connected discrete sorbent bodies in contact with a floating pollutant, sorbing the pollutant, continuously recovering the sorbent, removing the pollutant from the sorbent, and returning the sorbent to contact with the pollutant on the water surface.
Inventors
- 👤 Errol V Seymour
- 👤 Ray R Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:05
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/06; Y; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN APPARATUS FOR REMOVING A FLOATING LIQUID POLLUTANT FROM WATER, COMPRISING: A TENSION MEMBER; A SORBENT TUBE SHAPED AS AN OPEN CYLINDER THROUGH WHICH THE TENSION MEMBER PASSES AND HAVING A LATERAL SPLIT SO THAT IT MAY BE REMOVED OFF THE TENSION MEMBER IN THE EVENT OF FAILURE OF THE SORBENT; LINES CONNECTING THE TUBE TO THE TENSION MEMBER; MEANS TO DEPLOY THE TENSION MEMBER TO POSITION THE SORBENT TUBES IN CONTACT WITH THE POLLUTANT; AND MEANS TO REMOVE THE POLLUTANT FROM THE SORBENT.
Claim 2
Independent Claim
84 words
AN APPARATUS FOR REMOVING A FLOATING LIQUID POLLUTANT FROM WATER, COMPRISING: A TENSION MEMBER; A SORBENT TUBE SHAPED AS AN OPEN CYLINDER THROUGH WHICH THE TENSION MEMBER PASSES AND HAVING A LATERAL SPLIT SO THAT IT MAY BE REMOVED OFF THE TENSION MEMBER IN THE EVENT OF FAILURE OF THE SORBENT; LINES CONNECTING THE TUBE TO THE TENSION MEMBER; MEANS TO DEPLOY THE TENSION MEMBER TO POSITION THE SORBENT TUBES IN CONTACT WITH THE POLLUTANT; AND MEANS TO REMOVE THE POLLUTANT FROM THE SORBENT.
References Cited (Backward Citations)
US3617565A
Cited
US3700593A
Cited
US3487927A
Cited
US3539013A
Cited
US3508663A
Cited
US3618768A
Cited
US3668118A
Cited
US3739913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-22 | 1979-06-23 | 1979-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-22 | 1983-06-23 | 1983-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-22 | 1987-06-23 | 1987-12-23 | $7700.00 | Window Closed / Lapsed |