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Patent US2436282A successfully refreshed from Google Patents.
US2436282A
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Surface combustion cracking furnace
Assignee: ConocoPhillips Co
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Filing: 1943-03-26
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Granted: 1948-02-17
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Expires: 1963-03-26
Abstract
No abstract record available.
Inventors
- 👤 Edwin O Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:41
CPC Classifications
C; C01; C01B; C01B32/00; Y; Y10; Y10S; Y10S48/00; Y10S48/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1019392A
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US1364157A
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US1592474A
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US1891859A
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US1909163A
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US1895284A
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US2062358A
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US2196767A
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US2197904A
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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) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |