US2666070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
11alpha-hydroxyprogesterone and esters thereof
Assignee: Pharmacia and Upjohn Co
•
Filing: 1952-02-19
•
Granted: 1954-01-12
•
Expires: 1972-02-19
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Murray
- 👤 Durey H Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:07
CPC Classifications
C; C07; C07J; C07J5/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
11A-HYDROCYPROGESTERONE.
Claim 2
Dependent Claim
1 words
11A-HYDROCYPROGESTERONE.
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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |