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US3383384A
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Process and intermediates for manufacture of 19-norsteroids
Assignee: GD Searle LLC
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Filing: 1965-11-15
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Granted: 1968-05-14
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Expires: 1985-11-15
Abstract
No abstract record available.
Inventors
- 👤 Pappo Raphael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:13
CPC Classifications
C; C07; C07J; C07J75/00; C07J75/005; C07C; C07C311/00; C07C311/15; C07C35/00; C07C35/22; C07C35/23; C07C35/36; C07J1/00; C07J1/0051; C07J1/0059; C07J1/0066; C07J1/007; C07J1/0081; C07J1/0088; C07J1/0096; C07J21/00; C07J21/005; C07J21/008; C07J41/00; C07J41/0005; C07J43/00; C07J43/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3055885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |