US3359271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piperazino-dibenz[b, f]-oxepinones and thiepinones and intermediates
Assignee: Novartis Corp
•
Filing: 1966-08-09
•
Granted: 1967-12-19
•
Expires: 1986-08-09
Abstract
No abstract record available.
Inventors
- 👤 Schindler Walter
- 👤 Schmid Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:12
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/02; C07D405/04; C07D337/00; C07D337/02; C07D337/06; C07D337/10; C07D337/14; C07D409/00; C07D409/02; C07D409/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM AMONG THIEPIN AND OXEPIN DERIVATIVES OF THE FORMULA
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM AMONG THIEPIN AND OXEPIN DERIVATIVES OF THE FORMULA
Claim 3
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US3144442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |