US3301779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating cold rolling mill effluent containing oil emulsified in water
Assignee: New Canadian Processes Ltd
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Filing: 1965-01-22
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Granted: 1967-01-31
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Expires: 1985-01-22
Abstract
No abstract record available.
Inventors
- 👤 Kovacs Geza Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:53
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/10; E02B15/108; B; B01; B01D; B01D17/00; B01D17/02; B01D17/0205; B01D17/0208; B01D17/0214; B01D17/04; B01D17/047; C; C02; C02F; C02F1/00; C02F1/24; B21; B21B; B21B45/00; B21B45/02; B21B45/0269; B21B45/029; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/204; Y02P; Y02P70/00; Y02P70/10; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |