US2414646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydration of cyclic olefins
Assignee: Phillips Petroleum Co
•
Filing: 1944-06-24
•
Granted: 1947-01-21
•
Expires: 1964-06-24
Abstract
No abstract record available.
Inventors
- 👤 Harold J Hepp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:02
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/03; C07C29/04; C07C29/05; C07C29/06; C07C29/74; C07C29/76; C07C29/80; C07C29/82; C07C35/00; C07C35/02; C07C35/06; C07C2601/00; C07C2601/06; C07C2601/08; C07C2601/12; C07C2601/14
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) | 1950-01-20 | 1950-07-22 | 1951-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-01-20 | 1954-07-22 | 1955-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-01-20 | 1958-07-22 | 1959-01-21 | $7700.00 | Window Closed / Lapsed |