US3349088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutically valuable 1, 2-dihyro-1, 2, 4-benzotriazine derivatives and process for preparation thereof
Assignee: Siegfried AG
•
Filing: 1964-10-21
•
Granted: 1967-10-24
•
Expires: 1984-10-21
Abstract
No abstract record available.
Inventors
- 👤 Molnar Istvan
- 👤 Wagner-Jauregg Theodor
- 👤 Jahn Ulrich
- 👤 Mixich George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:30
CPC Classifications
C; C07; C07D; C07D253/00; C07D253/08; C07D253/10; C07D487/00; C07D487/02; C07D487/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A CHEMICAL COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
A CHEMICAL COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2489353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |