US3689407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil and water separating device
Assignee: Oil Mop International Inc
•
Filing: 1971-02-16
•
Granted: 1972-09-05
•
Expires: 1991-02-16
Abstract
Abstract THE PRESENT DISCLOSURE IS DIRECTED TO A METHOD AND APPARATUS FOR SEPARATING OIL FROM A MIXTURE OF OIL AND WATER BY POURING THE MIXTURE OVER TWO OIL ATTRACTING MEDIA EACH HAVING A DIFFERENT PHYSICAL CHARACTERISTIC AND PLACING THE SECOND OIL ATTRACTING MEDIA BETWEEN TWO FLOATS HAVING DIFFERENT SPECIFIC GRAVITIES SO THAT THE SECOND OIL ATTRACTING MEDIA IS WRUNG OUT DUE TO ITS COMPRESSION BETWEEN THE TWO FLOATS TO RELEASE THE OIL AND TO PERMIT IT TO RISE ABOVE THE WATER LEVEL IN THE APPARATUS SO THAT THE OIL MAY BE DRAWN OFF SEPARATELY FROM THE WATER.
Inventors
- 👤 Herbert M Rhodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:35
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/14; E03F5/16; B; B01; B01D; B01D17/00; B01D17/02; B01D17/0202; B01D17/0208; B01D17/0214; B01D17/04; B01D17/045; B01J; B01J20/00; B01J20/22; C; C02; C02F; C02F1/00; C02F1/68; C02F1/681; C10; C10G; C10G33/00; C10G33/06; Y; Y10; Y10S; Y10S210/00; Y10S210/05
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) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |