Patent US2631932A successfully refreshed from Google Patents.
US2631932A
Expired / Lapsed
US
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Sheetsxsheet i
Assignee: —
•
Filing: —
•
Granted: 1953-03-17
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Expires: 1970-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:10
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/72; C10J3/74; C10J3/76; C01; C01B; C01B2203/00; C01B2203/06; C01B2203/063; C01B2203/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
APPARATUS FOR CONTAINING A HIGH-PRESSURE EXOTHERMIC GAS SYNTHESIS REACTION AND FOR EXTRACTING WASTE HEAT RESULTING THEREFROM, COMPRISING A GENERALLY VERTICAL METAL PRESSURE CASING DEFINING A HIGH-TEMPERATURE REACTION SECTION AND A COOLING SECTION ABOVE THE REACTION SECTION, WATER COOLING MEANS FOR SAID CASING IN SAID REACTION AND COOLING SECTIONS, A UNITARY GAS-COLLECTING DOME DEFINING A LOW-TEMPERATURE SECTION, GAS-TIGHT JOINT MEANS DETACHABLY SECURING THE LOWER PART OF SAID DOME TO THE UPPER PART OF SAID CASING, AND A BUNDLE OF BOILER TUBES FREELY EX-
Claim 2
Dependent Claim
82 words
APPARATUS FOR CONTAINING A HIGH-PRESSURE EXOTHERMIC GAS SYNTHESIS REACTION AND FOR EXTRACTING WASTE HEAT RESULTING THEREFROM, COMPRISING A GENERALLY VERTICAL METAL PRESSURE CASING DEFINING A HIGH-TEMPERATURE REACTION SECTION AND A COOLING SECTION ABOVE THE REACTION SECTION, WATER COOLING MEANS FOR SAID CASING IN SAID REACTION AND COOLING SECTIONS, A UNITARY GAS-COLLECTING DOME DEFINING A LOW-TEMPERATURE SECTION, GAS-TIGHT JOINT MEANS DETACHABLY SECURING THE LOWER PART OF SAID DOME TO THE UPPER PART OF SAID CASING, AND A BUNDLE OF BOILER TUBES FREELY EX-
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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) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |