Patent US3013033A successfully refreshed from Google Patents.
US3013033A
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Novel alkylated pregnadienes
Assignee: Merck Sharp & Dohme LLC
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Filing: 1958-10-29
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Granted: 1961-12-12
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Expires: 1978-10-29
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 10:13
CPC Classifications
C; C07; C07J; C07J5/00; C07J1/00; C07J75/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/843; Y10S435/85
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
6B-BROMO-1,4-PREGNADIENES OF THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
5 words
6B-BROMO-1,4-PREGNADIENES OF THE FOLLOWING FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |