US2764476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction tank and thermo-regulator system
Assignee: Frick Co Inc
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Filing: 1952-04-03
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Granted: 1956-09-25
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Expires: 1972-04-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Etter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:52
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0006; B01J19/0013; F; F25; F25B; F25B41/00; F25B5/00; F25B5/02; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00067; B01J2219/00074; B01J2219/00076; B01J2219/00083; B01J2219/00162; B01J2219/00182; F25B2400/00; F25B2400/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A SYSTEM FOR CARRYING OUT A CHEMICAL REACTION PROCESS COMPRISING A PLURALITY OF REACTORS, AN AGITATOR IN EACH REACTOR, POWER MEANS FOR DRIVING EACH AGITATOR, VERTIALLY DISPOSED COOLING COILS HAVING AN INLET AND AN OUTLET HEADER IN EACH REACTOR, AN ACCUMULATOR DISPOSED ABOVE AND ADJACENT EACH REACTOR, INLET CONDUIT MEANS CONNECTING THE LOWER PORTION OF SAID ACCUMULATOR AND SAID INLET HEADER, OUTLET CONDUIT MEANS CONNECTING THE UPPER PORTION OF SAID ACCUMULATOR AND SAID OUTLET HEADER, A LIQID LEVEL VALVE CONNECTED TO EACH ACCUMULATOR FOR CONTROLLING THE LEVEL OF LIQUID THEREIN, A SINGLE SOURCE OF LIQUID REFRIGERANT CONNECTED TO EACH ACCUMULATOR THROUGH A SHUT-OFF VALVE AND SAID LIQUID LEVEL CONTROL VALVE WHEREBY A SUBSTANTIALLY CONSTANT LEVEL OF LIQUID REVRIGERANT WILL BE MAINTAINED IN EACH ACCUMULATOR AND SUCH LIQUID WILL FLOW BY GRAVITY INTO SAID COILS TO SUBSTANTIALLY FLOOD THE SAME, SAID REFRIGERANT RETURNING AS A GAS TO SAID ACCUMULATOR THROUGH SAID OUTLET CONDUIT
Claim 2
Independent Claim
152 words
A SYSTEM FOR CARRYING OUT A CHEMICAL REACTION PROCESS COMPRISING A PLURALITY OF REACTORS, AN AGITATOR IN EACH REACTOR, POWER MEANS FOR DRIVING EACH AGITATOR, VERTIALLY DISPOSED COOLING COILS HAVING AN INLET AND AN OUTLET HEADER IN EACH REACTOR, AN ACCUMULATOR DISPOSED ABOVE AND ADJACENT EACH REACTOR, INLET CONDUIT MEANS CONNECTING THE LOWER PORTION OF SAID ACCUMULATOR AND SAID INLET HEADER, OUTLET CONDUIT MEANS CONNECTING THE UPPER PORTION OF SAID ACCUMULATOR AND SAID OUTLET HEADER, A LIQID LEVEL VALVE CONNECTED TO EACH ACCUMULATOR FOR CONTROLLING THE LEVEL OF LIQUID THEREIN, A SINGLE SOURCE OF LIQUID REFRIGERANT CONNECTED TO EACH ACCUMULATOR THROUGH A SHUT-OFF VALVE AND SAID LIQUID LEVEL CONTROL VALVE WHEREBY A SUBSTANTIALLY CONSTANT LEVEL OF LIQUID REVRIGERANT WILL BE MAINTAINED IN EACH ACCUMULATOR AND SUCH LIQUID WILL FLOW BY GRAVITY INTO SAID COILS TO SUBSTANTIALLY FLOOD THE SAME, SAID REFRIGERANT RETURNING AS A GAS TO SAID ACCUMULATOR THROUGH SAID OUTLET CONDUIT
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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) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |