US2965639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New basically substituted azepine
Assignee: —
•
Filing: —
•
Granted: 1960-12-20
•
Expires: 1977-12-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:58
CPC Classifications
C; C07; C07D; C07D223/00; C07D223/14; C07D223/18; C07D223/22; C07D223/24; C07D223/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
BASICALLY SUBSTITUTED AZEPINE DERIVATIVES OF THE GENERAL FORMULA
Claim 2
Dependent Claim
8 words
BASICALLY SUBSTITUTED AZEPINE DERIVATIVES OF THE GENERAL FORMULA
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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |