US3391168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1, 17-dimethyl-5-androstane-3beta, 17beta-diol and esters thereof
Assignee: GD Searle LLC
•
Filing: 1965-08-23
•
Granted: 1968-07-02
•
Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Counsell
- 👤 Paul D Klimstra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:01
CPC Classifications
C; C07; C07J; C07J1/00; C07J75/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3239542A
Cited
US3324152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |