US3375246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isoindolines
Assignee: Sandoz AG
•
Filing: 1965-06-11
•
Granted: 1968-03-26
•
Expires: 1985-06-11
Abstract
No abstract record available.
Inventors
- 👤 Goetz E Hardtmann
- 👤 Otto Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:40
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04; A; A61; A61K; A61K31/00; C07D209/00; C07D209/02; C07D209/44; C07D209/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A PHARMACEUTICALLY ACCEPTABLE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
7 words
A PHARMACEUTICALLY ACCEPTABLE COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US3261828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |