Patent US3543097A successfully refreshed from Google Patents.
Patent US3025145A successfully refreshed from Google Patents.
US3025145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retort for an ammonia dissociator and the like
Assignee: General Electric Co
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Filing: 1958-07-28
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Granted: 1962-03-13
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Expires: 1978-07-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Carl H Terpenning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:01
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/04; C01B3/047; C21; C21D; C21D1/00; C21D1/74; C21D1/76; C21D1/763; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN AN APPARATUS FOR CONDUCTING A GASEOUS ENDOTHERMIC REACTION, THE COMBINATION OF A PAIR OF ELONGATED CONCENTRIC CYLINDRICAL MEMBERS DEFINING A NARROW ANNULAR CHAMBER THEREBETWEEN, A CATALYST FOR PROMOTING THE REACTION POSITIONED IN SAID ANNULAR CHAMBER, HEATERS SURROUNDING THE OUTER OF SAID PAIR OF CYLINDRIAL MEMBERS FOR HEATING THE CATALYST, AN INLET CONDUIT COMMUNICATING WITH SAID ANNULAR CHAMBER FOR DELIVERING GAS TO ONE END OF SAID ANNULAR CHAMBER, MEANS PROVIDING COMMUNICATION BETWEEN THE OPPOSITE END OF SAID ANNULAR CHAMBER AND THE INTERIOR OF THE INNER CYLINDRICAL MEMBER, AND AN OUTLET CONDUIT COMMUNICATING WITH THE INTERIOR OF SAID INNER CYLINDRICAL MEMBER AT THE OTHER END THEREOF TO PASS THE REACTED GAS THROUGH THE INTERIOR OF THE INNER CYLINDRICAL MEMBER IN HEAT EXCHANGE RELATION WITH THE CATALYST TO MINIMIZE THE TEMPERATURE GRADIENT ACROSS THE CATALYST BED.
Claim 2
Dependent Claim
134 words
IN AN APPARATUS FOR CONDUCTING A GASEOUS ENDOTHERMIC REACTION, THE COMBINATION OF A PAIR OF ELONGATED CONCENTRIC CYLINDRICAL MEMBERS DEFINING A NARROW ANNULAR CHAMBER THEREBETWEEN, A CATALYST FOR PROMOTING THE REACTION POSITIONED IN SAID ANNULAR CHAMBER, HEATERS SURROUNDING THE OUTER OF SAID PAIR OF CYLINDRIAL MEMBERS FOR HEATING THE CATALYST, AN INLET CONDUIT COMMUNICATING WITH SAID ANNULAR CHAMBER FOR DELIVERING GAS TO ONE END OF SAID ANNULAR CHAMBER, MEANS PROVIDING COMMUNICATION BETWEEN THE OPPOSITE END OF SAID ANNULAR CHAMBER AND THE INTERIOR OF THE INNER CYLINDRICAL MEMBER, AND AN OUTLET CONDUIT COMMUNICATING WITH THE INTERIOR OF SAID INNER CYLINDRICAL MEMBER AT THE OTHER END THEREOF TO PASS THE REACTED GAS THROUGH THE INTERIOR OF THE INNER CYLINDRICAL MEMBER IN HEAT EXCHANGE RELATION WITH THE CATALYST TO MINIMIZE THE TEMPERATURE GRADIENT ACROSS THE CATALYST BED.
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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) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |