US2908696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1, 5-pregnadienes and processes for their manufacture
Assignee: Merck Sharp & Dohme LLC
•
Filing: 1959-02-02
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Granted: 1959-10-13
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Expires: 1979-02-02
Abstract
No abstract record available.
Inventors
- 👤 Alexander L Nussbaum
- 👤 Eugene P Oliveto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:11
CPC Classifications
C; C07; C07J; C07J5/00; C07J75/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/85
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
1,5-PREGNADIENES HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
5 words
1,5-PREGNADIENES HAVING THE FOLLOWING 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) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |