US3506694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
17-acyloxysteroids and their manufacture
Assignee: Boots Co PLC
•
Filing: 1967-11-27
•
Granted: 1970-04-14
•
Expires: 1987-11-27
Abstract
No abstract record available.
Inventors
- 👤 Peter Oxley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:24
CPC Classifications
C; C07; C07J; C07J7/00; C07J5/00; C07J75/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/911; Y10S435/913; Y10S435/939
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2923721A
Cited
US2902410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |