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Patent US3434844A successfully refreshed from Google Patents.
US3434844A
Expired / Lapsed
US
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Stabilization of animal and poultry feeds containing a tetracycline antibiotic
Assignee: Wyeth Holdings LLC
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Filing: 1964-01-21
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Granted: 1969-03-25
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Expires: 1984-01-21
Abstract
No abstract record available.
Inventors
- 👤 Irving Klothen
- 👤 Robert Berendt Fortenbaugh
- 👤 Anthony Abbey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:47
CPC Classifications
A; A23; A23K; A23K20/00; A23K20/10; A23K20/195
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA548652A
Cited
US2644783A
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US2763681A
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US2699054A
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US2847471A
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GB814671A
Cited
US2878289A
Cited
US3157512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |