Patent US3005850A successfully refreshed from Google Patents.
US3005850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-(n-substituted-aminoalkyl)-alkanoyl anilides
Assignee: Wyeth Holdings LLC
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Filing: 1959-10-20
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Granted: 1961-10-24
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Expires: 1979-10-20
Abstract
No abstract record available.
Inventors
- 👤 Jr William B Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:54
CPC Classifications
C; C07; C07C; C07C233/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A COMPOUND OF THE GROUP CONSISTING OF THOSE HAVING THE FORMULA
Claim 2
Dependent Claim
11 words
A COMPOUND OF THE GROUP CONSISTING OF THOSE HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |