US2556301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contacting solid particles and gaseous fluids
Assignee: Standard Oil Development Co
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Filing: 1949-12-10
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Granted: 1951-06-12
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Expires: 1969-12-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter Squires
- 👤 Jr Lyle L Zahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:03
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/26; B01J8/28; B01J8/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN APPARATUS FOR THE CONTINUOUS COUNTERCURRENT CONTACT OF FINELY DIVIDED SOLIDS AND GAS EOUS MATERIAL COMPRISING A VESSEL, AN INLET FOR FINELY DIVIDED SOLIDS AND A SEPARATE OUTLET FOR GASEOUS MATERIALS IN THE UPPER PART OF SAID VESSEL, AN OUTLET FOR FINELY DIVIDED SOLIDS IN THE BOTTOM OF SAID VESSEEL, A VERTICAL BAFFLE PLATE DIVIDING THE INTERIOR OF THE VESSEL INTO TWO PARALLEL PATHS, A PLURALITY OF PERFORATED HALF SECTION PLATES ARRANGED ALTERNATELY ON OPPOSITE SIDES OF THE SAID VERTICAL BAFFLE PLATE AND IN VERTICALLY SPACED RELATION, RESTRICTION ORIFICES IN THE VERTICAL BAFFLE PLATE JUST ABOVE EACH OF SAID HALF SECTION PLATES FOR CONTROLLING THE REMOVAL OF FINELY DIVIDED SOLIDS FROM EACH OF THE PLATES, AND AN INLET FOR SUPPLYING GASEOUS MATERIAL BENEATH THE LOWERMOST HALF SECTION PLATE ON EACH SIDE OF THE VERTICAL BAFFLE PLATE.
Claim 2
Independent Claim
136 words
AN APPARATUS FOR THE CONTINUOUS COUNTERCURRENT CONTACT OF FINELY DIVIDED SOLIDS AND GAS EOUS MATERIAL COMPRISING A VESSEL, AN INLET FOR FINELY DIVIDED SOLIDS AND A SEPARATE OUTLET FOR GASEOUS MATERIALS IN THE UPPER PART OF SAID VESSEL, AN OUTLET FOR FINELY DIVIDED SOLIDS IN THE BOTTOM OF SAID VESSEEL, A VERTICAL BAFFLE PLATE DIVIDING THE INTERIOR OF THE VESSEL INTO TWO PARALLEL PATHS, A PLURALITY OF PERFORATED HALF SECTION PLATES ARRANGED ALTERNATELY ON OPPOSITE SIDES OF THE SAID VERTICAL BAFFLE PLATE AND IN VERTICALLY SPACED RELATION, RESTRICTION ORIFICES IN THE VERTICAL BAFFLE PLATE JUST ABOVE EACH OF SAID HALF SECTION PLATES FOR CONTROLLING THE REMOVAL OF FINELY DIVIDED SOLIDS FROM EACH OF THE PLATES, AND AN INLET FOR SUPPLYING GASEOUS MATERIAL BENEATH THE LOWERMOST HALF SECTION PLATE ON EACH SIDE OF THE VERTICAL BAFFLE PLATE.
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) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |