US3274219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4alpha, 8alpha, 14beta-trimethyl-12, 16-androstadienes
Assignee: Olin Corp
•
Filing: 1964-09-16
•
Granted: 1966-09-20
•
Expires: 1984-09-16
Abstract
No abstract record available.
Inventors
- 👤 Gerald W Krakower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:57
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/565; A61K31/568; C; C07; C07J; C07J1/00; 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)
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |