US3282425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination clarifier and storage tank
Assignee: Dorr Oliver Inc
•
Filing: 1963-09-24
•
Granted: 1966-11-01
•
Expires: 1983-09-24
Abstract
No abstract record available.
Inventors
- 👤 Christiani Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:45
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/0018; B01D21/24; B01D21/2405; B01D21/2427; B01D21/2444; B01D21/245; B01D21/30; B01D21/34; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86035; Y10T137/86043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
APPARATUS FOR CLARIFYING LIQUOR COMPRISING; TANK MEANS HAVING A BOTTOM, A CONFINING MARGINAL WALL UPSTANDING THEREFROM AND MEANS DETERMINING THE MAXIMUM LEVEL OF LIQUOR IN SAID TANK; SEDIMENT RAKING MEANS OPERABLY ASSOCIATED WITH THE BOTTOM OF SAID TANK FOR RAKING SETTLED MATERIAL TOWARDS A SEDIMENT DISCHARGE OUTLET; FEED MEANS IN SAID TANK ABOVE SAID RAKING MEANS; FEED CONDUIT MEANS COMMUNICATING WITH SAID FEED MEANS FOR INTRODUCING RAW LIQUOR TO BE CLARIFIED INTO SAID TANK CLARIFIED EFFLUENT DISCHARGE MEANS LOCATED SUBSTANTIALLY BELOW THE UPPER LEVEL OF SAID TANK DEFINING THEREBELOW A CLARIFICATION TANK AND THEREABOVE A STORAGE TANK IN SUBSTANTIALLY UNOBSTRUCTED HYDRAULIC COMMUNICATION WITH SAID CLARIFICATION TANK, SAID CLARIFIED EFFLUENT DISCHARGE MEANS HAVING AT LEAST ONE EFFLUENT RECEIVING OPENING FUNCTIONALLY REMOTE FROM SAID FEED MEANS, MEANS FOR ACCUMULATING IN SAID STORAGE TANK SUBSTANTIALLY WITHOUT HYDRAULIC OBSTRUCTION CLARIFIED LIQUOR UPRISING FROM SAID CLARIFICATION TANK WHEN THE FEED RATE OF RAW LIQUOR BEING ED INTO THE TANK IS INCREASED RELATIVE TO THE DISCHARGE RATE OF CLARIFIED EFFLUENT, AND MEANS FOR DISCHARGING STORED CLARIFIED LIQUOR SUBSTANTIALLY WITHOUT HYDRAULIC OBSTRUCTION FROM SAID STORAGE TANK WHEN THE DISCHARGE RATE IS GREATER THAN SAID FEED RATE.
Claim 2
Independent Claim
15 words
THE METHOD OF CONDUCTING A CLARIFICATION OPERATION WHICH COMPRISES; ESTABLISHING IN A TANK A CLARIFICATION
References Cited (Backward Citations)
US1624382A
Cited
US1494704A
Cited
GB474239A
Cited
US2223634A
Cited
US2854146A
Cited
US2852138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |