Patent US3481935A successfully refreshed from Google Patents.
US3481935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-substituted-aminoloweralkyl-4-substituted-phenyl-piperidines
Assignee: Wyeth Holdings LLC
•
Filing: 1966-02-07
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Granted: 1969-12-02
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Andrew S Tomcufcik
- 👤 Paul F Fabio
- 👤 Arlene M Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:45
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/10; C07D211/14; C07D211/18; C07D211/26; C07D211/36; C07D211/40; C07D211/44; C07D211/52; C07D211/60; C07D211/62; C07D211/64; C07D211/68; C07D211/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125488A
Cited
US2945032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |