US3242163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indolyl aliphatic acids
Assignee: Merck and Co Inc
•
Filing: 1964-10-21
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Granted: 1966-03-22
•
Expires: 1984-10-21
Abstract
No abstract record available.
Inventors
- 👤 Lewis H Sarett
- 👤 Shen Tsung-Ying
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:39
CPC Classifications
C; C07; C07C; C07C323/00; C07C45/00; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/18; C07D209/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2890223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |