US3210388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
13alpha-fluoro-17beta-methyl-18-nor steroids
Assignee: Roche Palo Alto LLC
•
Filing: 1964-03-23
•
Granted: 1965-10-05
•
Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Lawrence H Knox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:24
CPC Classifications
C; C07; C07J; C07J3/00; C07J1/00; C07J75/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA:
References Cited (Backward Citations)
US3053735A
Cited
US3056807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |