Patent US3594380A successfully refreshed from Google Patents.
US3594380A
Expired / Lapsed
US
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Isoquinolin-1(2h)-ones
Assignee: Wyeth LLC
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Filing: 1969-02-18
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Granted: 1971-07-20
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Expires: 1989-02-18
Abstract
Abstract THIS INVENTION IS CONCERNED WITH IMIDAZOLINYLISOQUINOLINONES AND PYRIMIDINYLISOQUINOLINONES WHICH ARE PHARMACOLOGICALLY ACTIVE AS CENTRAL NERVOUS SYSTEM DEPRESSANTS.
Inventors
- 👤 Theodore S Sulkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:27
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/04
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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |