US2518583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic reactor
Assignee: Universal Oil Products Co
•
Filing: 1945-06-27
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Granted: 1950-08-15
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Expires: 1965-06-27
Abstract
No abstract record available.
Inventors
- 👤 Charles C Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:34
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/06; B01J8/065; B01J8/067; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00168; B01J2208/00212; B01J2208/00327; B01J2208/00336; B01J2208/00353; B01J2208/00371; B01J2208/00477; B01J2208/00495; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/901; Y10S585/919; Y10S585/921; Y10S585/922; Y10S585/924; Y10S585/926
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A REACTOR COMPRISING A TUBULAR HOUSING HAVING A REACTANT INLET AT ONE END THEREOF AND A PRODUCT GAS OUTLET AT ITS OPPOSITE ;END, A LONGITUDINALLY PERFORATED REGENERATIVE GAS CONDUIT WITHIN AND SPACED FROM THE WALL OF SAID HOUSING AND SUBSTANTIALLY COEXTENSIVE IN LENGTH WITH THE HOUSING, THE TOTAL AREA OF THE PERFORATIONS PER UNIT LENGTH OF THE REGENERATIVE GAS CONDUIT GRADUALLY AND SUCCESSIVELY DECREASING FROMT HE REACTANT INLET
Claim 2
Dependent Claim
68 words
A REACTOR COMPRISING A TUBULAR HOUSING HAVING A REACTANT INLET AT ONE END THEREOF AND A PRODUCT GAS OUTLET AT ITS OPPOSITE ;END, A LONGITUDINALLY PERFORATED REGENERATIVE GAS CONDUIT WITHIN AND SPACED FROM THE WALL OF SAID HOUSING AND SUBSTANTIALLY COEXTENSIVE IN LENGTH WITH THE HOUSING, THE TOTAL AREA OF THE PERFORATIONS PER UNIT LENGTH OF THE REGENERATIVE GAS CONDUIT GRADUALLY AND SUCCESSIVELY DECREASING FROMT HE REACTANT INLET
References Cited (Backward Citations)
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Cited
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Cited
US2042469A
Cited
US2073638A
Cited
US1989927A
Cited
US2162893A
Cited
US2278892A
Cited
US2336879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |