US2558557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extraction of alcohols from the f-t synthesis product
Assignee: Texaco Inc
•
Filing: 1946-09-13
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Granted: 1951-06-26
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Expires: 1966-09-13
Abstract
No abstract record available.
Inventors
- 👤 Howard V Hess
- 👤 George B Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:36
CPC Classifications
C; C10; C10G; C10G21/00; C10G21/06; C07; C07C; C07C29/00; C07C29/15; C07C29/151; C07C29/1516; C07C29/74; C07C29/76; C07C29/80; C07C29/82; C07C29/86; C10G21/12; C10G21/27
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) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |