Patent US3015103A successfully refreshed from Google Patents.
Patent US2876219A successfully refreshed from Google Patents.
US2876219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-fluoro-9alpha-halo-11-oxygenated-4-pregnenes and 6-fluoro-9alpha-halo-11-oxygenated-1,4-pregnadienes
Assignee: Pharmacia and Upjohn Co
•
Filing: 1958-06-09
•
Granted: 1959-03-03
•
Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 Campbell J Allan
- 👤 John C Babcock
- 👤 John A Hogg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:56
CPC Classifications
C; C07; C07J; C07J5/00; C07J75/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
7 words
A 6-FLUORO-11-OXYGENATED COMPOUND OF THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
7 words
A 6-FLUORO-11-OXYGENATED COMPOUND OF THE FOLLOWING FORMULA:
Claim 3
Dependent Claim
8 words
A 6 FLUORO-9B, 11B-OXIDO OF THE FOLLOWING FORMULA:
Claim 4
Dependent Claim
8 words
A 6 FLUORO-9B, 11B-OXIDO OF THE FOLLOWING 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) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |