US3838004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calf diarrhea virus vaccine and processes
Assignee: University of Nebraska–Lincoln
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Filing: 1971-11-10
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Granted: 1974-09-24
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Expires: 1991-11-10
Abstract
Abstract CALF DIARRHEA VIRUS VACCINES ARE PREPARED BY PASSAGING CALF DIARRHEA VIRUS OBTAINED FROM FECES OF INFECTED CALVES IN TISSUE CULTURE, PARTICULARLY BOVINE OR SWINE TISSUE CULTURE, FROM ONE TO ABOUT TWO HUNDRED AND FIFTY TIMES.
Inventors
- 👤 C Mebus
- 👤 M Twiehaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:06
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/12; A61K39/15; A61K2039/51; A61K2039/525; A61K2039/5254; A61K2039/55; A61K2039/552; C; C12; C12N; C12N2720/00; C12N2720/00011; C12N2720/12011; C12N2720/12034
Claims Analysis
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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) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |