US2814632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steroid compounds and methods for their manufacture
Assignee: Merck Sharp & Dohme LLC
•
Filing: 1957-02-21
•
Granted: 1957-11-26
•
Expires: 1977-02-21
Abstract
No abstract record available.
Inventors
- 👤 Alexander L Mussbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:55
CPC Classifications
C; C07; C07J; C07J31/00; C07J75/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/85
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
COMPOUNDS HAVING THE STRUCTUAL FORMULA
Claim 2
Dependent Claim
5 words
COMPOUNDS HAVING THE STRUCTUAL 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) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |