US3254124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aminoketones and methods for their production
Assignee: Parke Davis and Co LLC
•
Filing: 1962-06-29
•
Granted: 1966-05-31
•
Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 Calvin L Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:26
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/13; A61K31/135; C; C07; C07C; C07C45/00; C07C45/51; C07C45/54; C07D; C07D303/00; C07D303/02; C07D303/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A MEMBER OF THE CLASS CONSISTING OF A FREE BASE AND PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF, SAID FREE BASE HAVING THE FORMULA:
Claim 2
Dependent Claim
23 words
A MEMBER OF THE CLASS CONSISTING OF A FREE BASE AND PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF, SAID FREE BASE HAVING THE FORMULA:
References Cited (Backward Citations)
GB853775A
Cited
US3068236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |