Patent US2471853A successfully refreshed from Google Patents.
US2471853A
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Catalytic partial oxidation process
Assignee: Standard Oil Development Co
•
Filing: 1946-02-05
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Granted: 1949-05-31
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Expires: 1966-02-05
Abstract
No abstract record available.
Inventors
- 👤 Leland K Beach
- 👤 Gerald C Connolly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:24
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07D307/87; C07D307/89; B; B01; B01J; B01J23/00; B01J23/16; B01J23/20; B01J23/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2180353A
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US2142678A
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US2027316A
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US2229361A
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US2423947A
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US2373008A
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US2395836A
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US2398899A
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US2437533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |