Patent US3083208A successfully refreshed from Google Patents.
US3083208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-acyl and 1-carbalkoxy-3-pyrrolidinols
Assignee: Mead Johnson and Co LLC
•
Filing: 1961-05-11
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Granted: 1963-03-26
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Expires: 1981-05-11
Abstract
No abstract record available.
Inventors
- 👤 Wu Yao Hua
- 👤 Jr Walter Gust Lobeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:11
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/04; C07D207/10; C07D207/12; C07D207/18; C07D207/22; C07D207/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A PYRROLIDINOL OF THE FORMULA
Claim 2
Dependent Claim
5 words
A PYRROLIDINOL OF 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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |