US2345625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of dehydrating dialkyl aryl carbinols
Assignee: Newport Industries Inc
•
Filing: 1940-11-30
•
Granted: 1944-04-04
•
Expires: 1960-11-30
Abstract
No abstract record available.
Inventors
- 👤 Robert C Palmer
- 👤 Carlisle H Bibb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:46
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C1/24; C07C2521/00; C07C2521/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1947-04-04 | 1947-10-04 | 1948-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-04-04 | 1951-10-04 | 1952-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-04-04 | 1955-10-04 | 1956-04-04 | $7700.00 | Window Closed / Lapsed |