Patent US2830089A successfully refreshed from Google Patents.
US2830089A
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US
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Catalysts for elevated pressure-moderate temperature reactions of carbon monoxide
Assignee: Texaco Inc
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Filing: 1951-11-07
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Granted: 1958-04-08
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Expires: 1971-11-07
Abstract
No abstract record available.
Inventors
- 👤 James W Fitzwilliam
- 👤 Ernest A Naragon
- 👤 Frank J Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:46
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C45/50; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1271013A
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US1995274A
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US2219042A
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US2461147A
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US2491915A
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US2520181A
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US2464916A
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US2583254A
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US2578144A
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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) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |