Patent US3037031A successfully refreshed from Google Patents.
US3037031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of 3-(2-aminoalkyl)-5-indolol and process therefor
Assignee: Warner Lambert Co LLC
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Filing: 1959-08-04
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Granted: 1962-05-29
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Expires: 1979-08-04
Abstract
No abstract record available.
Inventors
- 👤 Arnold D Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:47
CPC Classifications
C; C07; C07C; C07C251/00; C07C251/72; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/14; C07D209/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A METHOD OF PREPARING A 3-(2-AMINOALKYL)-5-INDOLOL OF THE FORMULA:
Claim 2
Independent Claim
9 words
A METHOD OF PREPARING A 3-(2-AMINOALKYL)-5-INDOLOL OF THE FORMULA:
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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |