US3189597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-glycosides of 17-amino-3-hydroxy-5-androstenes
Assignee: BASF Corp
•
Filing: 1959-03-04
•
Granted: 1965-06-15
•
Expires: 1979-03-04
Abstract
No abstract record available.
Inventors
- 👤 Macphillamy Harold Belding
- 👤 Lucas Robert Armistead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:56
CPC Classifications
C; C07; C07J; C07J41/00; C07J75/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL52130C
Cited
US2561378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |