US3530219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pharmaceutical composition containing 6,11-diamino morphanthridines
Assignee: BASF Corp
•
Filing: 1968-11-12
•
Granted: 1970-09-22
•
Expires: 1988-11-12
Abstract
No abstract record available.
Inventors
- 👤 Gordon Northrop Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:48
CPC Classifications
C; C07; C07D; C07D223/00; C07D223/14; C07D223/18; C07D223/20; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/55; C07D403/00; C07D403/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3389139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |