US2716121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Basic tertiary piperidino alcohols
Assignee: Wyeth Holdings LLC
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Filing: 1949-11-03
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Granted: 1955-08-23
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Expires: 1969-11-03
Abstract
No abstract record available.
Inventors
- 👤 Denton John Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:59
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/092; C07D217/00; C07D217/02; C07D217/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A COMPOUND OF THE GROUP CONSISTING OF THE TERTIARY AMINO ALCOHOL OF THE FORMULA
Claim 2
Dependent Claim
14 words
A COMPOUND OF THE GROUP CONSISTING OF THE TERTIARY AMINO ALCOHOL 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) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |