US3720675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrazolo(3,4-b)pyridine-5-carboxamides
Assignee: ER Squibb and Sons LLC
•
Filing: 1970-08-10
•
Granted: 1973-03-13
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Expires: 1990-08-10
Abstract
Abstract NEW 5-CARBOXAMIDES OF PYRAZOL(3,4-B)PYRIDINES AND SALTS THEREOF ARE USEFUL AS ATATACTIC, ANALGESIC AND ANTIINFLAMMOTORY AGENTS.
Inventors
- 👤 H Hoehn
- 👤 J Bernstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:49
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04
Claims Analysis
Total Claims: 0
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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) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |