US3567660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of conversion of oil-spills into improved,rubberized carbon-black and fiber fortified asphaltic materials
Assignee: Individual
•
Filing: 1970-02-02
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Granted: 1971-03-02
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Expires: 1990-02-02
Abstract
Abstract A NEW METHOD OF CONVERSION OF OIL SPILLS INTO IMPROVED RUBBERIZED, FIBER FORTIFIED ASPHALTIC MATERIALS BY COAGULATING OIL SPILLS WITH PREVIOUSLY GROUND, SPENT AUTOMOTIVE RUBBER TIRES WHICH HAVE PREFERABLY BEEN PREVIOUSLY PREMIXED WITH POWDERY POLYSTYRENE OR ASPHALT, SAID ASPHALT DERIVED FROM NATURALLY OCCURRING ASPHALTITE FROM PETROLEUM OR COAL TARS; HARVESTING BY MECHANICAL MEANS THE RESULTING NON-LIQUID CONGLOMERATE REACTING AND CONCENTRATING THIS MIXTURE BY DISTILLATION TO AN ASPHALTIC CONSISTENCY.
Inventors
- 👤 Joseph Winkler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:38
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C02; C02F; C02F1/00; C02F1/68; C02F1/681; C08; C08L; C08L95/00
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |