US2482866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of carbon monoxide and hydrogen
Assignee: Stanolind Oil and Gas Co
•
Filing: 1944-11-01
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Granted: 1949-09-27
•
Expires: 1964-11-01
Abstract
No abstract record available.
Inventors
- 👤 John A Phinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:05
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/22; C01B3/24; C01B3/28; B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; C01B3/32; C01B3/34; C01B3/38; C01B3/386; C01B2203/00; C01B2203/02; C01B2203/025; C01B2203/0261; C01B2203/10; C01B2203/1041; C01B2203/1047; C01B2203/1052; C01B2203/1082; C01B2203/1088; C01B2203/1094; C01B2203/12; C01B2203/1205; C01B2203/1211; C01B2203/1235; C01B2203/1241
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1918254A
Cited
US2051363A
Cited
US1984380A
Cited
US1979820A
Cited
US2199475A
Cited
US2327175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |