US3364237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4, 8, 14-trimethyl-9alpha-hydroxy-18-nor-8alpha, 14beta-androst-4-en-3, 11, 17-trione and derivatives thereof
Assignee: ER Squibb and Sons LLC
•
Filing: 1965-12-08
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Granted: 1968-01-16
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Expires: 1985-12-08
Abstract
No abstract record available.
Inventors
- 👤 Patrick A Diassi
- 👤 Pacifico A Principe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:06
CPC Classifications
C; C07; C07J; C07J1/00; C07J75/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/872; Y10S435/874
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3320290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |