Patent US3056797A successfully refreshed from Google Patents.
US3056797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-(beta-hydroxy, beta-[substituted phenyl]) ethyl-3-hydroxypiperidines
Assignee: US Vitamin and Pharmaceutical Corp
•
Filing: 1959-10-27
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Granted: 1962-10-02
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Expires: 1979-10-27
Abstract
No abstract record available.
Inventors
- 👤 Seymour L Shapiro
- 👤 Freedman Louis
- 👤 Weinberg Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:03
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/02; C07D211/04; C07D211/06; C07D211/36; C07D211/40; C07D211/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
THE COMPOUND
Claim 2
Dependent Claim
2 words
THE COMPOUND
References Cited (Backward Citations)
DE28461C
Cited
US2802007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |