US2997373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dissolving apparatus
Assignee: Barnard and Leas Manufacturing Co Inc
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Filing: 1959-01-19
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Granted: 1961-08-22
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Expires: 1979-01-19
Abstract
No abstract record available.
Inventors
- 👤 Will R Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:18
CPC Classifications
B; B01; B01F; B01F21/00; B01F21/15; B01F21/20; B01F21/50; B01F21/504; B01F25/00; B01F25/10; B01F2025/91; B01F2025/913; B01F25/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
PROCESS APPARATUS FOR TAKING MATERIALS INTO SOLUTION COMPRISING A TANK FORMED OF A CYLINDRICAL HOUSING OF SUBSTANTIAL DIMENSION AND A CONICALLY SHAPED LOWER END PORTION HAVING ITS APEX AT THE BOTTOM, AN OUTLET AT THE APEX AT THE BOTTOM OF THE CONICALLY SHAPED PORTION, AN INLET IN THE SIDE WALL OF THE CYLINDRICAL HOUSING INTERMEDIATE THE UPPER AND LOWER EDGES AND BELOW THE LEVEL OF LIQUID IN THE TANK AND ARRANGED TO INTRODUCE LIQUID TANGENTIALLY INTO THE TANK, MEANS RECIRCULATING LIQUID FROM THE OUTLET TO THE INLET, A PLURALITY OF AXIALLY DISPOSED BAFFLE PLATES EXTENDING INWARDLY FROM CIRCUMFERENTIALLY SPACED APART PORTIONS OF THE SIDE WALL OF THE CYLINDRICAL HOUSING IN THE TANGENTIAL DIRECTION IN WHICH THE LIQUID IS INTRODUCED INTO THE TANK FROM THE INLETS AT AN ANGLE OF 15* TO 35* WITH A TANGENT ORIGINATING FROM THE POINT SAID BAFFLES JOIN WITH SAID HOUSING AND DIMENSIONED TO EXTEND INTO THE TANK FOR A DISTANCE CORRESPONDING TO 1/10 TO 1/40 THE DIAMETER OF THE HOUSING AND A FORAMINOUS PLATE EXTENDING ACROSS AN INTERMEDIATE PORTION OF THE CONICAL SECTION AND BELOW THE BAFFLE PLATES.
Claim 2
Dependent Claim
183 words
PROCESS APPARATUS FOR TAKING MATERIALS INTO SOLUTION COMPRISING A TANK FORMED OF A CYLINDRICAL HOUSING OF SUBSTANTIAL DIMENSION AND A CONICALLY SHAPED LOWER END PORTION HAVING ITS APEX AT THE BOTTOM, AN OUTLET AT THE APEX AT THE BOTTOM OF THE CONICALLY SHAPED PORTION, AN INLET IN THE SIDE WALL OF THE CYLINDRICAL HOUSING INTERMEDIATE THE UPPER AND LOWER EDGES AND BELOW THE LEVEL OF LIQUID IN THE TANK AND ARRANGED TO INTRODUCE LIQUID TANGENTIALLY INTO THE TANK, MEANS RECIRCULATING LIQUID FROM THE OUTLET TO THE INLET, A PLURALITY OF AXIALLY DISPOSED BAFFLE PLATES EXTENDING INWARDLY FROM CIRCUMFERENTIALLY SPACED APART PORTIONS OF THE SIDE WALL OF THE CYLINDRICAL HOUSING IN THE TANGENTIAL DIRECTION IN WHICH THE LIQUID IS INTRODUCED INTO THE TANK FROM THE INLETS AT AN ANGLE OF 15* TO 35* WITH A TANGENT ORIGINATING FROM THE POINT SAID BAFFLES JOIN WITH SAID HOUSING AND DIMENSIONED TO EXTEND INTO THE TANK FOR A DISTANCE CORRESPONDING TO 1/10 TO 1/40 THE DIAMETER OF THE HOUSING AND A FORAMINOUS PLATE EXTENDING ACROSS AN INTERMEDIATE PORTION OF THE CONICAL SECTION AND BELOW THE BAFFLE PLATES.
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) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |