Patent US2254748A successfully refreshed from Google Patents.
US2254748A
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Production of hydrocarbons from carbon monoxide and hydrogen
Assignee: WILLIAM E CURRIE
•
Filing: 1938-04-09
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Granted: 1941-09-02
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Expires: 1958-04-09
Abstract
No abstract record available.
Inventors
- 👤 Michael Wilhelm
- 👤 Jaeckh Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:08
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/15; C07C29/151; C07C29/153; C07C29/156; B; B01; B01J; B01J23/00; B01J23/70; B01J23/74; B01J23/745; B01J23/76; B01J23/78; B01J23/83; B01J37/00; B01J37/08; B65; B65B; B65B9/00; B65B9/06; B65B9/08; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/0445; C07C1/0455; C07C29/1512; C07C29/1514; C08; C08G; C08G61/00; C08G61/02; C08G61/04; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/745
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-09-01 | 1945-03-03 | 1945-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-01 | 1949-03-03 | 1949-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-01 | 1953-03-03 | 1953-09-02 | $7700.00 | Window Closed / Lapsed |