US2890223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-benzyl, 2-methyl, 5-methoxy tryptamine
Assignee: Research Corp
•
Filing: 1956-03-22
•
Granted: 1959-06-09
•
Expires: 1976-03-22
Abstract
No abstract record available.
Inventors
- 👤 Woolley Dilworth
- 👤 Elliott N Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:50
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/18; C07D209/22; C07D209/14; C07D209/16; C07D209/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2416258A
Cited
US2621187A
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US2701250A
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US2701251A
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US2715129A
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US2728778A
Cited
US2708197A
Cited
US2704763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |