US3245543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clarifier apparatus
Assignee: Union Tank Car Co
•
Filing: 1960-11-07
•
Granted: 1966-04-12
•
Expires: 1980-11-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Levendusky
- 👤 Hazelton H Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:32
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/02; B01D21/04; B01D21/06; B01D21/0018; B01D21/10; B01D21/12; B01D21/14; B01D21/16; B01D21/18; B01D21/186; B01D21/20; B01D21/24; B01D21/2427; B01D21/2433
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A CLARIFIER APPARATUS COMPRISING: A TANK, A PLURALITY OF SUPERIMPOSED SPACED APART TRAY MEMBERS MOUNTED WITHIN SAID TANK, SAID TRAYS BEING SPACED FROM SAID TANK AND DEFINING THEREWITH AN OUTER ANNULAR PERIPHERAL FREE-FALL ZONE, THE UPPERMOST OF SAID TRAY MEMBERS BEING A DOWNWARDLY CONVERGENT GENERALLY CONICAL IMPERFORATE TRAY MEMBER HAVING A CENTRALLY LOCATED DOWNWARDLY DEPENDING IMPERFORATE RECEPTACLE FOR COLLECTING EASILY SETTLED PARTICLES FROM REMOVAL FROM SAID TANK, MEANS FOR INTRODUCING A LIQUID TO BE CLARIFIED INTO SAID TANK GENRALLY CENTRALLY ABOVE SAID UPPERMOST TRAY MEMBER, SAID LIQUID CONTAINING EASILY SETTLE PARTICLES AND LESS EASILY SETTLED PARTICLES, SAID LESS EASILY SETTLE PARTICLES PASSING WITH SAID LIQUID OVER THE PERIPHERY OF SAID UPPERMOST TRAY INTO SAID FREE-FALL ZONE, SAID TRAY OTHER THAN SAID UPPERMOST TRAY MEMBER BEING UPWARDLY CONVERGENT GENERALLY CONICAL IMPERFORATE TRAY MEMBERS, MEANS FLUIDLY COMMUNICATING WITH SAID RECEPTACLE FOR WITHDRAWING FROM SAID TANK SETTLE PARTICLES IN SAID RECEPTACLE SO THAT SAID SETTLE PARTICLES DO NOT REACH THE BOTTOM OF SAID TANK.
Claim 2
Dependent Claim
161 words
A CLARIFIER APPARATUS COMPRISING: A TANK, A PLURALITY OF SUPERIMPOSED SPACED APART TRAY MEMBERS MOUNTED WITHIN SAID TANK, SAID TRAYS BEING SPACED FROM SAID TANK AND DEFINING THEREWITH AN OUTER ANNULAR PERIPHERAL FREE-FALL ZONE, THE UPPERMOST OF SAID TRAY MEMBERS BEING A DOWNWARDLY CONVERGENT GENERALLY CONICAL IMPERFORATE TRAY MEMBER HAVING A CENTRALLY LOCATED DOWNWARDLY DEPENDING IMPERFORATE RECEPTACLE FOR COLLECTING EASILY SETTLED PARTICLES FROM REMOVAL FROM SAID TANK, MEANS FOR INTRODUCING A LIQUID TO BE CLARIFIED INTO SAID TANK GENRALLY CENTRALLY ABOVE SAID UPPERMOST TRAY MEMBER, SAID LIQUID CONTAINING EASILY SETTLE PARTICLES AND LESS EASILY SETTLED PARTICLES, SAID LESS EASILY SETTLE PARTICLES PASSING WITH SAID LIQUID OVER THE PERIPHERY OF SAID UPPERMOST TRAY INTO SAID FREE-FALL ZONE, SAID TRAY OTHER THAN SAID UPPERMOST TRAY MEMBER BEING UPWARDLY CONVERGENT GENERALLY CONICAL IMPERFORATE TRAY MEMBERS, MEANS FLUIDLY COMMUNICATING WITH SAID RECEPTACLE FOR WITHDRAWING FROM SAID TANK SETTLE PARTICLES IN SAID RECEPTACLE SO THAT SAID SETTLE PARTICLES DO NOT REACH THE BOTTOM OF SAID TANK.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |