US2759801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent extraction apparatus using jet mixers
Assignee: Individual
•
Filing: 1953-06-04
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Granted: 1956-08-21
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Expires: 1973-06-04
Abstract
No abstract record available.
Inventors
- 👤 James H Yeager
- 👤 Keith S Eckberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:08
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/04; B01D11/0426; B01D11/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN ASSEMBLY FOR THE COUNTERCURRENT TREATMENT OF FLUID HAVING DIFFERENT SPECIFIC GRAVITIES COMPRISING A COLUMN HAVING A HEAVY-FLUID INLET AND A LIGHT-FLUID OUTLET NEAR THE TOP THEREOF, THE COLUMN ALSO HAVING A HEAVYFLUID OUTLET AND A LIGHT-FLUID INLET NEAR THE BOTTOM THEREOF, AND A PLURALITY OF MEANS SPACED VERTICALLY OF THE COLUMN FOR RECIRCULATING THE LIQUIDS, EACH MEANS INCLUDING A CONICAL DEFLECTOR CENTRALLY DISPOSED WITHIN THE COLUMN WITH ITS VERTEX LOWERMOST AND AN APERTURE IN ITS VERTEX, A JET IN THE DEFLECTOR DIRECTED DOWNWARDLY TOWARD THE APERTURE AND A PIPE ATTACHED TO THE VERTEX OF THE DEFLECTOR AND HAVING AN OUTLET ADJACENT THE INNER SIDE OF THE COLUMN WALL.
Claim 2
Dependent Claim
109 words
AN ASSEMBLY FOR THE COUNTERCURRENT TREATMENT OF FLUID HAVING DIFFERENT SPECIFIC GRAVITIES COMPRISING A COLUMN HAVING A HEAVY-FLUID INLET AND A LIGHT-FLUID OUTLET NEAR THE TOP THEREOF, THE COLUMN ALSO HAVING A HEAVYFLUID OUTLET AND A LIGHT-FLUID INLET NEAR THE BOTTOM THEREOF, AND A PLURALITY OF MEANS SPACED VERTICALLY OF THE COLUMN FOR RECIRCULATING THE LIQUIDS, EACH MEANS INCLUDING A CONICAL DEFLECTOR CENTRALLY DISPOSED WITHIN THE COLUMN WITH ITS VERTEX LOWERMOST AND AN APERTURE IN ITS VERTEX, A JET IN THE DEFLECTOR DIRECTED DOWNWARDLY TOWARD THE APERTURE AND A PIPE ATTACHED TO THE VERTEX OF THE DEFLECTOR AND HAVING AN OUTLET ADJACENT THE INNER SIDE OF THE COLUMN WALL.
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) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |