Patent US2257444A successfully refreshed from Google Patents.
Patent US3013009A successfully refreshed from Google Patents.
US3013009A
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US
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Optionally 17-alkylated and 7-oxygenated androst (an and 5-en)-3-ol aminoalkyl esters and ethers
Assignee: GD Searle LLC
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Filing: 1959-04-10
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Granted: 1961-12-12
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Expires: 1979-04-10
Abstract
No abstract record available.
Inventors
- 👤 Charles W Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:12
CPC Classifications
C; C07; C07J; C07J41/00; C07J41/0033; C07J41/0055; C07J1/00; C07J1/0003; C07J1/0007; C07J3/00; C07J31/00; C07J31/006; C07J41/005; C07J43/00; C07J43/003; C07J7/00; C07J7/0005; C07J9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
US2023075A
Cited
US2586438A
Cited
US2816119A
Cited
US2840581A
Cited
US2885413A
Cited
US2889318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |