US3176013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
17alpha-(aliphatic hydrocarbon)-4, 5-epoxy-19-norandrostane-3beta, 17beta-diols and lower alkanoates thereof
Assignee: GD Searle LLC
•
Filing: 1963-07-25
•
Granted: 1965-03-30
•
Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Paul D Klimstra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:52
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/58; A61K31/565; A61K31/568; A61K31/569; C; C07; C07J; C07J71/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2908682A
Cited
US2885398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |