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System for synthesis from hydrogen and carbon monoxide with fluidized catalyst
Assignee: Stanolind Oil and Gas Co
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Filing: 1949-08-26
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Granted: 1952-12-02
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Expires: 1969-08-26
Abstract
No abstract record available.
Inventors
- 👤 Karol L Hujsak
- 👤 Myron B Kratzer
- 👤 Mungen Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:41
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1836; C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0405; C07C1/042; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/0007; B01J2208/00106; B01J2208/00115; B01J2208/00132; B01J2208/0053
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2213622A
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US2434537A
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US2500516A
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US2453740A
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US2475025A
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US2488406A
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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) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |