US3702657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pollution containment barrier
Assignee: ExxonMobil Upstream Research Co
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Filing: 1971-02-11
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Granted: 1972-11-14
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Expires: 1991-02-11
Abstract
Abstract A FLOW-THROUGH POLLUTION CONTAINMENT BARRIER FOR THE CONTROL AND REMOVAL OF POTENTIAL OIL SPILL HAZARDS IN A WATER ENVIRONMENT INCLUDES A SERIES OF CAGES LINKED TOGETHER. OIL SORBENT BUOYANT MATERIAL, CAPABLE OF ALLOWING WATER TO PASS FREELY THROUGH IT WHILE REMAINING OIL WET WHEN CONTACTED BY AN OIL WATER MIXTURE IS REMOVABLY ARRANGED IN EACH CAGE. LIQUID IMPERVIOUS MATERIAL IS ARRANGED IN THE SPACES AT THE JOINTS BETWEEN THE CAGES TO PREVENT PASSAGE OF LIQUID THERETHROUGH. EACH CAGE IS WEIGHTED IN ORDER TO MAINTAIN A PREDETERMINED SUBMERGENCE OF THE CAGE IN A BODY OF WATER.
Inventors
- 👤 Gerald Robert Cunningham
- 👤 Lemuel Dale Woody Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:33
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/06; Y; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/924
Claims Analysis
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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) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |