US2423545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Esterification of terpene alcohols
Assignee: Norda Essential Oil and Chemical Co
•
Filing: 1944-07-13
•
Granted: 1947-07-08
•
Expires: 1964-07-13
Abstract
No abstract record available.
Inventors
- 👤 Max E Aeschbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:45
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/42; C07C51/43; C07C51/44; C07C51/46; C07C67/00; C07C67/08; C07C67/48; C07C67/52; C07C67/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US648580A
Cited
US2272400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-07 | 1951-01-06 | 1951-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-07 | 1955-01-06 | 1955-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-07 | 1959-01-06 | 1959-07-08 | $7700.00 | Window Closed / Lapsed |