US3784576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated cholesterol
Assignee: University of Michigan (System)
•
Filing: 1970-09-24
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Granted: 1974-01-08
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Expires: 1990-09-24
Abstract
Abstract DISCLOSED HEREIN IS A HALOGENATED CHOLESTEROL WHICH CAN BE UTILIZED AS AN INTERMEDIATE TO PREPARE RADIOACTIVE PHARAMACEUTICALS AND TO INCREASE THE FAT CONTENT IN ANIMALS.
Inventors
- 👤 R Counsell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:09
CPC Classifications
A; A61; A61K; A61K51/00; A61K51/02; A61K51/04; A61K51/0493; A61K2121/00
Claims Analysis
Total Claims: 0
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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) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |