US3135758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Morphinone and codeinone derivatives
Assignee: Individual
•
Filing: 1961-05-17
•
Granted: 1964-06-02
•
Expires: 1981-05-17
Abstract
No abstract record available.
Inventors
- 👤 Fishman Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:11
CPC Classifications
C; C07; C07D; C07D489/00; C07D489/06; C07D489/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A CHEMICAL HAVING THE FOLLOWING FORMULA AND PHARMACEUTICALLY ACCEPTABLE SALTS OF SAID CHEMICAL:
Claim 2
Dependent Claim
21 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A CHEMICAL HAVING THE FOLLOWING FORMULA AND PHARMACEUTICALLY ACCEPTABLE SALTS OF SAID CHEMICAL:
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |