US3634227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil slick elimination
Assignee: SWACO GEOLOGRAPH Co
•
Filing: 1969-09-09
•
Granted: 1972-01-11
•
Expires: 1989-09-09
Abstract
Abstract A METHOD FOR RENDERING INNOCUOUS AND/OR ELIMINATING AN OIL SLICK ON A BODY OF WATER BY USING AN OIL ABSORBENT CLAY. AN EMULSIFIER CAN BE USED TO ALLOW THE CLAY TO SINK IN THE BODY OF WATER AFTER ABSORBING THE OIL OF THE OIL SLICK.
Inventors
- 👤 William B Patterson Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:41
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/681; Y; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/924
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |