US3474090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-aminoalkyl-1,3-benzodiazepin-2-ones
Assignee: Wyeth Holdings LLC
•
Filing: 1966-12-22
•
Granted: 1969-10-21
•
Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 William Blythe Wright Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:28
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/55; C; C07; C07D; C07D243/00; C07D243/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3414563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |