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US3514456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-hydroxyalkyl-4-substituted-piperidines
Assignee: Tanabe Pharma Corp
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Filing: 1967-09-28
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Granted: 1970-05-26
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Expires: 1987-09-28
Abstract
No abstract record available.
Inventors
- 👤 Michio Nakanishi
- 👤 Tsuneto Kuriyama
- 👤 Katsuo Arimura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:37
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/56; C07D211/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3060143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |