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US2485945A
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Hydrocarbon synthesis process and catalyst therefor
Assignee: Stanolind Oil and Gas Co
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Filing: 1947-08-26
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Granted: 1949-10-25
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Expires: 1967-08-26
Abstract
No abstract record available.
Inventors
- 👤 Scott W Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:26
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/74; B01J23/745; B01J23/76; B01J23/78; C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/043; C07C1/0435; C07C1/044; C07C1/0445; C07C2523/00; C07C2523/02; C07C2523/04; C07C2523/70; C07C2523/74; C07C2523/745; C07C2523/76; C07C2523/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |