Patent US3128187A successfully refreshed from Google Patents.
US2945852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
17-oxygenated 9alpha-substituted androstano [3, 2-c] pyrazoles and derivatives
Assignee: GD Searle LLC
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Filing: 1959-05-20
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Granted: 1960-07-19
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Expires: 1979-05-20
Abstract
No abstract record available.
Inventors
- 👤 Clarence G Bergstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:54
CPC Classifications
C; C07; C07J; C07J1/00; C07J1/0003; C07J1/0018; C07J1/0022; C07J71/00; C07J71/0036; C07J71/0042; C07J71/0047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND OF THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
6 words
A COMPOUND OF THE STRUCTURAL 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) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |