Patent US3383388A successfully refreshed from Google Patents.
US3383388A
Expired / Lapsed
US
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Isoquinolone intermediates
Assignee: Sandoz AG
•
Filing: 1965-08-17
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Granted: 1968-05-14
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Expires: 1985-08-17
Abstract
No abstract record available.
Inventors
- 👤 William J Houlihan
- 👤 Robert E Manning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:27
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/40; C07C59/76; C07C59/88; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/24; C07D455/00; C07D455/03; C07D455/04; C07D455/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |