Patent US3211756A successfully refreshed from Google Patents.
US3211756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-hydroxyimino-17alpha-(lower alkyl)-5alpha-androstan-17beta-ols and the optionally substituted 3-acyloxyimino and 3-alkoxyimino derivatives corresponding
Assignee: GD Searle LLC
•
Filing: 1963-07-23
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Granted: 1965-10-12
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Expires: 1983-07-23
Abstract
No abstract record available.
Inventors
- 👤 Robert H Mazur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:46
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/565; A61K31/568; A61K31/569; C; C07; C07J; C07J1/00; C07J1/0003; C07J1/0033; C07J1/0037; C07J41/00; C07J41/0005; C07J41/0016; C07J75/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
1 words
3-CARBOXYMETHOXYIMINO-17A-METHYL-5A-ANDROSTAN17B-OL.
Claim 4
Dependent Claim
1 words
3-CARBOXYMETHOXYIMINO-17A-METHYL-5A-ANDROSTAN17B-OL.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |