US2377026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of dehydrating alcohols
Assignee: Airco Inc
•
Filing: 1940-10-01
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Granted: 1945-05-29
•
Expires: 1960-10-01
Abstract
No abstract record available.
Inventors
- 👤 Hoke S Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:23
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C1/24; C07C2521/00; C07C2521/06; C07C2521/08; C07C2521/12; C07C2523/00; C07C2523/12
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) | 1948-05-28 | 1948-11-27 | 1949-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-28 | 1952-11-27 | 1953-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-28 | 1956-11-27 | 1957-05-29 | $7700.00 | Window Closed / Lapsed |