US3067198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
19-oxygenated steroids and process for their manufacture
Assignee: BASF Corp
•
Filing: 1961-07-10
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Granted: 1962-12-04
•
Expires: 1981-07-10
Abstract
No abstract record available.
Inventors
- 👤 Wettstein Albert
- 👤 Anner George
- 👤 Heusler Karl
- 👤 Kalvoda Jaroslav
- 👤 Ueberwasser Hellmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:12
CPC Classifications
C; C07; C07J; C07J71/00; C07J1/00; C07J5/00; C07J75/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
5 words
A COMPOUND OF THE 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) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |