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Patent US2482187A successfully refreshed from Google Patents.
US2482187A
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Process for producing hydrogencarbon monoxide gas mixtures
Assignee: Standard Oil Co
•
Filing: 1944-04-03
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Granted: 1949-09-20
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Expires: 1964-04-03
Abstract
No abstract record available.
Inventors
- 👤 Everett A Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:24
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/482; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/24; C01B3/28; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0933; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129; Y10; Y10S; Y10S48/00; Y10S48/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE18382E
Cited
US632466A
Cited
US1687118A
Cited
US1840649A
Cited
DE564870C
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US1984380A
Cited
US2052149A
Cited
US2327175A
Cited
US2377078A
Cited
US2387309A
Cited
US2358888A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |