US3466288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
9,4alpha-iminoethanoanthracenes and indeno(2,1-j)isoquinolines
Assignee: Warner Lambert Co LLC
•
Filing: 1966-09-09
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Granted: 1969-09-09
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Expires: 1986-09-09
Abstract
No abstract record available.
Inventors
- 👤 Holger V Hansen
- 👤 Sylvester Klutchko
- 👤 Robert Israel Meltzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:48
CPC Classifications
C; C07; C07D; C07D491/00; C07D491/02; C07D491/10; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44; A61K31/445; A61K31/45; A61K31/535; C07D221/00; C07D221/02; C07D221/04; C07D221/18; C07D221/22; C07D221/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2769810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |