US3502679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
10b-substituted 1,2,3,5,6,10b - hexahydropyrrolo(2,1-a)isoquinolines and process therefor
Assignee: Sandoz AG
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Filing: 1967-05-31
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Granted: 1970-03-24
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Expires: 1987-05-31
Abstract
No abstract record available.
Inventors
- 👤 William J Houliban
- 👤 Robert E Manning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:01
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04
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) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |