US3395078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of equilin
Assignee: Wyeth LLC
•
Filing: 1965-05-13
•
Granted: 1968-07-30
•
Expires: 1985-05-13
Abstract
No abstract record available.
Inventors
- 👤 Vezina Claude
- 👤 Deghernghi Romano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:43
CPC Classifications
C; C12; C12P; C12P33/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/843; Y10S435/863; Y10S435/866; Y10S435/872
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2902410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |