US3536586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microbiological process for simultaneously 1-dehydrogenating and 16-hydroxylating a steroid
Assignee: ER Squibb and Sons LLC
•
Filing: 1968-01-25
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Granted: 1970-10-27
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Expires: 1988-01-25
Abstract
No abstract record available.
Inventors
- 👤 Bong Kuk Lee
- 👤 Dewey D Y Ryu
- 👤 Richard W Thoma
- 👤 Patrick A Diassi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:42
CPC Classifications
C; C12; C12P; C12P33/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/83; Y10S435/886
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |