US3518270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6,7,12,13 - tetrahydro - 6,12 - imino - 5h - benzo(5,6)cyclooct(1,2 - b)indole derivatives and process for their production
Assignee: Warner Lambert Co LLC
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Filing: 1967-05-17
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Granted: 1970-06-30
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Expires: 1987-05-17
Abstract
No abstract record available.
Inventors
- 👤 John Shavel Jr
- 👤 Harold Zinnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:39
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/06
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) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |