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US2813883A
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9alpha-halo-17beta-hydroxy-17alpha-methyl-androstane-3, 11-diones
Assignee: Pharmacia and Upjohn Co
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Filing: 1956-03-19
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Granted: 1957-11-19
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Expires: 1976-03-19
Abstract
No abstract record available.
Inventors
- 👤 Milton E Herr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:29
CPC Classifications
C; C07; C07J; C07J1/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
9A- HALO- 17B- HYDROXY-17A-METHYLANDROSTANE-3,11DIONE OF THE FORMULA
Claim 2
Dependent Claim
7 words
9A- HALO- 17B- HYDROXY-17A-METHYLANDROSTANE-3,11DIONE 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) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |