US3756948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion and recovery method and means for absorbing crude oil and the like for transportat
Assignee: GRANTLEY CO
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Filing: 1972-03-23
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Granted: 1973-09-04
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Expires: 1992-03-23
Abstract
Abstract CRUMBS OF A PARTICULAR POLYSTYRENE FOAM ARE DISCLOSED FOR THE ABSORPTION OF HYDROCARBON OILS, ONE USE BEING FOR THE CLEAINING UP OF OIL SPILLS ON A BODY OF WATER, ANOTHER BEING THE CLEANING UP OF A SANDY BEACH POLLUTED BY CRUDE OIL, AND ANOTHER USE BEING ABSORPTION OF CRUDE OIL AT THE WELL HEAD SO THAT THE OIL ABSORBED INTO THE POLYSTYRENE MAY BE TRANSPORTED USING ANY ORDINARY MEANS OF TRANSPORTATION AND WITHOUT DANGER OF LIQUID OIL LEAKAGE OR SPILLAGE ALONG THE LINE. OTHER USES ARE INDICATED.
Inventors
- 👤 J Weinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:10
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/32; B; B01; B01J; B01J20/00; B01J20/22; C02; C02F; C02F1/00; C02F1/68; C02F1/681; E; E02; E02B; E02B15/00; E02B15/04; E02B15/10; E02B15/101; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |