US2902413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-fluid contactor
Assignee: Universal Oil Products Co
•
Filing: 1956-04-20
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Granted: 1959-09-01
•
Expires: 1976-04-20
Abstract
No abstract record available.
Inventors
- 👤 Louis S Kassel
- 👤 Jack B Pohlenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:46
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A SIEVE DECK ASSEMBLLY FOR CONTACTING CONTINUOUS AND DISCONTINUOUS FLUID PHASES WHICH COMPRISES A HORIZONTAL PERFORATED PLATE IN CONTACT ON ONE SIDE WITH CONTINUOUS PHASE AND ON THE OTHER SIDE WITH DISCONTINUOUS PHASE, FIRST VERTICAL CONDUIT MEANS EXTENDING ABOVE AND BELOW SAID PLATE AND THROUGH SAID DISCONTINUOUS PHASE, AND SECOND VERTICAL CONDUIT MEANS EXTENDING ABOVE AND BELOW SAID PLATE AND TERMINATING A LESSER DISTANCE FROM SAID PLATE THAN SAID FIRST CONDUIT MEANS ON THE SIDE OF SAID PLATE IN CONTACT WITH SAID DISCONTINUOUS FLUID.
Claim 2
Dependent Claim
84 words
A SIEVE DECK ASSEMBLLY FOR CONTACTING CONTINUOUS AND DISCONTINUOUS FLUID PHASES WHICH COMPRISES A HORIZONTAL PERFORATED PLATE IN CONTACT ON ONE SIDE WITH CONTINUOUS PHASE AND ON THE OTHER SIDE WITH DISCONTINUOUS PHASE, FIRST VERTICAL CONDUIT MEANS EXTENDING ABOVE AND BELOW SAID PLATE AND THROUGH SAID DISCONTINUOUS PHASE, AND SECOND VERTICAL CONDUIT MEANS EXTENDING ABOVE AND BELOW SAID PLATE AND TERMINATING A LESSER DISTANCE FROM SAID PLATE THAN SAID FIRST CONDUIT MEANS ON THE SIDE OF SAID PLATE IN CONTACT WITH SAID DISCONTINUOUS FLUID.
References Cited (Backward Citations)
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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) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |