Patent US2931715A successfully refreshed from Google Patents.
US2931715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the gasification of solid fuels
Assignee: Texaco Inc
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Filing: 1956-10-24
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Granted: 1960-04-05
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Expires: 1976-10-24
Abstract
No abstract record available.
Inventors
- 👤 Eastman Du Bois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:09
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/485; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
APPARATUS FOR CONDUCTING A CHEMICAL REACTION AT ELEVATED PRESSURE AND TEMPERATURE COMPRISING A VERTICALLY EXTENDING CYLINDRICAL PRESSURE VESSEL SHELL HAVING A REACTION CHAMBER IN IS UPPER PORTION AND A GAS OUTLET PORT IN ITS LOWER PORTION DISPOSED AT A POINT INTERMEDIATE SAID REACTION CHAMBER AND THE LOWERMOST PORTION OF SAID SHELL AND INLET FOR REACTANTS IN THE UPPER PORTION OF SAID REACTION CHAMBER, MEANS FOR MAINTAINING A BODY OF COOLING LIQUID IN THE LOWER PORTION OF SAID SHELL, A THERMAL SHIELD COMPRISING A WATER JACKET INTERNALLY OF SAID SHELL SURROUNDING SAID REACTION CHAMBER AND EXTENDING TO A POINT BELOW THE LEVEL OF SAID LIQUID, AND MEANS ASSOCIATED WITH SAID GAS OUTLET PORT FOR DISCHARGING PRODUCT GAS FROM SAID REACTION CHAMBER INTO INITIMATE CONTACT WITH WATER, SAID CONTACT MEANS BEING IN COMMUNICATION WITH SAID WATER JACKET WHEREBY THE PRESSURE WITHIN SAID REACTION CHAMBER AND THE PRESSURE WITHIN SAID WATER JACKET ARE EQUALIZED.
Claim 2
Dependent Claim
151 words
APPARATUS FOR CONDUCTING A CHEMICAL REACTION AT ELEVATED PRESSURE AND TEMPERATURE COMPRISING A VERTICALLY EXTENDING CYLINDRICAL PRESSURE VESSEL SHELL HAVING A REACTION CHAMBER IN IS UPPER PORTION AND A GAS OUTLET PORT IN ITS LOWER PORTION DISPOSED AT A POINT INTERMEDIATE SAID REACTION CHAMBER AND THE LOWERMOST PORTION OF SAID SHELL AND INLET FOR REACTANTS IN THE UPPER PORTION OF SAID REACTION CHAMBER, MEANS FOR MAINTAINING A BODY OF COOLING LIQUID IN THE LOWER PORTION OF SAID SHELL, A THERMAL SHIELD COMPRISING A WATER JACKET INTERNALLY OF SAID SHELL SURROUNDING SAID REACTION CHAMBER AND EXTENDING TO A POINT BELOW THE LEVEL OF SAID LIQUID, AND MEANS ASSOCIATED WITH SAID GAS OUTLET PORT FOR DISCHARGING PRODUCT GAS FROM SAID REACTION CHAMBER INTO INITIMATE CONTACT WITH WATER, SAID CONTACT MEANS BEING IN COMMUNICATION WITH SAID WATER JACKET WHEREBY THE PRESSURE WITHIN SAID REACTION CHAMBER AND THE PRESSURE WITHIN SAID WATER JACKET ARE EQUALIZED.
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) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |