US2424401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circulatory hormone preparation and process of making the same
Assignee: Winthrop Chemical Co Inc
•
Filing: 1943-01-06
•
Granted: 1947-07-22
•
Expires: 1963-01-06
Abstract
No abstract record available.
Inventors
- 👤 Lesuk Alex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:50
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/16; A61K38/17; A61K38/22; A61K35/00; A61K35/12; A61K35/37; A61K35/39
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE560463C
Cited
US2118117A
Cited
US2190248A
Cited
DE702832C
Cited
US2219167A
Cited
US2202029A
Cited
US2312901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-21 | 1951-01-20 | 1951-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-21 | 1955-01-20 | 1955-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-21 | 1959-01-20 | 1959-07-22 | $7700.00 | Window Closed / Lapsed |