US2211022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation of carbon monoxide
Assignee: WILLIAM E CURRIE
•
Filing: 1937-02-19
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Granted: 1940-08-13
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Expires: 1957-02-19
Abstract
No abstract record available.
Inventors
- 👤 Michael Wilhelm
- 👤 Jaeckh Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:48
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/15; C07C29/151; C07C29/153; C07C29/156; B; B01; B01J; B01J23/00; B01J23/70; B01J23/74; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/0445; C07C2521/00; C07C2521/02; C07C2521/04; 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) | 1943-08-13 | 1944-02-12 | 1944-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-13 | 1948-02-12 | 1948-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-13 | 1952-02-12 | 1952-08-13 | $7700.00 | Window Closed / Lapsed |