US3692494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bank of mixer settlers
Assignee: Individual
•
Filing: 1969-02-07
•
Granted: 1972-09-19
•
Expires: 1989-02-07
Abstract
Abstract A BANK OF MIXER-SETTLERS CONSISTING OF A PLURALITY OF SERIALLY-DISPOSED STAGES EACH COMPRISING A SUBSTANTIALLY VERTICAL SUPPLY DUCT FOR A RELATIVELY HEAVY LIQUID PHASE WHICH IS FED INTO SAID DUCT BY OVERFLOW, A SUBSTANTIALLY VERTICAL SUPPLY TUBE FOR A RELATIVELY LIGHT LIQUID PHASE WHICH IS ALSO FED INTO SAID TUBE BY OVERFLOW, A MIXER WHICH IS JOINED TO THE LOWER PORTIONS OF THE DUCT AND OF THE TUBE AND PROVIDED WITH AGITATION MEANS, A SETTLER WHICH IS CONNECTED TO THE TOP PORTION OF THE MIXER BY MEANS OF A SPILLWAY AND JOINED TO THE SUPPLY TUBE OF THE PRECEDING STAGE, A BLOCK WITHIN EACH SETTLER FOR REDUCING THE CROSS-SECTIONAL AREA AT THE LEVEL OF THE INTERFACE.
Inventors
- 👤 Andre Bathellier
- 👤 Gerard Faudot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:06
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0208
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) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |