US2992244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2 alpha-methyl-9 alpha-fluoro-11 beta-17 alpha-dihydroxy-4-pregnene-3, 20-dione 17-acylates
Assignee: Pharmacia and Upjohn Co
•
Filing: 1959-12-14
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Granted: 1961-07-11
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Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 John A Hogg
- 👤 Frank H Lincoln
- 👤 William P Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:04
CPC Classifications
C; C07; C07J; C07J7/00; C07J5/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
2A - METHYL - 9A - FLUORO-11B,17A-DIHYDROXY-4-PREGNENE-3,20-DIONE 17-ACYLATE, WHEREIN THE ACYL RADICAL IS THAT OF A HYDROCARBON CARBOXYLIC ACID CONTAINING FROM 1 TO 12 CARBON ATOMS, INCLUSIVE.
Claim 2
Dependent Claim
27 words
2A - METHYL - 9A - FLUORO-11B,17A-DIHYDROXY-4-PREGNENE-3,20-DIONE 17-ACYLATE, WHEREIN THE ACYL RADICAL IS THAT OF A HYDROCARBON CARBOXYLIC ACID CONTAINING FROM 1 TO 12 CARBON ATOMS, INCLUSIVE.
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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |