US2695907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steroid compounds
Assignee: Pharmacia and Upjohn Co
•
Filing: 1953-06-05
•
Granted: 1954-11-30
•
Expires: 1973-06-05
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Murray
- 👤 Durey H Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:52
CPC Classifications
C; C07; C07J; C07J1/00; C07J75/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
AN 11A-OXYGENATED-17B-HYDROXYL-17A-METHYLETIOCHLOAN-3-ONE OF THE FORMULA
Claim 2
Dependent Claim
5 words
AN 11A-OXYGENATED-17B-HYDROXYL-17A-METHYLETIOCHLOAN-3-ONE OF THE 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) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |