US3232835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-chloro prednisones and the 9alpha-fluoro derivatives thereof
Assignee: Pfizer Inc
•
Filing: 1957-12-04
•
Granted: 1966-02-01
•
Expires: 1977-12-04
Abstract
No abstract record available.
Inventors
- 👤 Sanford K Figdor
- 👤 Gerald D Laubach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:33
CPC Classifications
C; C07; C07J; C07J5/00; C07J75/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
13 words
A COMPOUND CHOSEN FROM THE GROUP CONSISTING OF HALOGENATED A$4-3-KETOSTEROIDS HAVING THE FORMULAE:
Claim 2
Dependent Claim
13 words
A COMPOUND CHOSEN FROM THE GROUP CONSISTING OF HALOGENATED A$4-3-KETOSTEROIDS HAVING THE FORMULAE:
Claim 3
Dependent Claim
17 words
A PHARMACEUTICAL COMPOSITION COMPRISING A COMPOUND AS CLAIMED IN CLAIM 1 TOGETHER WITH A PHARMACEUTICALLY ACCEPTABLE CARRIER.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |