Patent US3438781A successfully refreshed from Google Patents.
US3438781A
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Method of detecting fat soluble vitamins in animal feed
Assignee: AL LABORATORES Inc
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Filing: 1964-02-27
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Granted: 1969-04-15
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Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 Melvin J Macmillan
- 👤 Charles M Ely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:41
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/02; A; A23; A23K; A23K20/00; A23K20/10; A23K20/174; A61; A61K; A61K31/00; A61K31/59; Y; Y10; Y10T; Y10T436/00; Y10T436/14; Y10T436/142222; Y10T436/20; Y10T436/200833; Y10T436/203332
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |