US3733328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrazolo(3,4-b)pyridine-5-carboxamides
Assignee: ER Squibb and Sons LLC
•
Filing: 1971-11-04
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Granted: 1973-05-15
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Expires: 1991-11-04
Abstract
Abstract NEW 5-CARBOXAMIDES OF PYRAZOLO (3,4-B) PYRIDINES AND SALTS THEREOF ARE USEFUL AS ATARACTIC, ANALGESIC AND ANTIINFLAMMATORY AGENTS.
Inventors
- 👤 H Hoehn
- 👤 J Bernstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:20
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/38
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) | 1976-05-14 | 1976-11-13 | 1977-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-14 | 1980-11-13 | 1981-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-14 | 1984-11-13 | 1985-05-15 | $7700.00 | Window Closed / Lapsed |