US3225053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quebrachidine and derivatives
Assignee: Eli Lilly and Co
•
Filing: 1963-01-10
•
Granted: 1965-12-21
•
Expires: 1983-01-10
Abstract
No abstract record available.
Inventors
- 👤 Gorman Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:39
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
AN ALKALOID OR A SALT THEREOF WITHA PHARMACEUTICALLY ACCEPTABLE STRONG ACID, SAID ALKALOID BEING REPRESENTED BY THE STRUCUTURAL FORMULA:
Claim 2
Dependent Claim
19 words
AN ALKALOID OR A SALT THEREOF WITHA PHARMACEUTICALLY ACCEPTABLE STRONG ACID, SAID ALKALOID BEING REPRESENTED BY THE STRUCUTURAL FORMULA:
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |