Patent US2531756A successfully refreshed from Google Patents.
US2531756A
Expired / Lapsed
US
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Turkey blackhead control composition
Assignee: Wyeth Holdings LLC
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Filing: 1949-07-02
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Granted: 1950-11-28
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Expires: 1969-07-02
Abstract
No abstract record available.
Inventors
- 👤 Waletzky Emanuel
- 👤 Harry W Marson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:50
CPC Classifications
A; A61; A61K; A61K31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A COMPOSITION OF MATTER EFFECTIVE IN THE CONTROL OF ENTEROHEPATITIS WHICH COMPRISES TURKEY FEED AND A COMPOUND OF THE GROUP CONSISTING OF 2-AMINO-5-NITROPYRIMIDINE, 2-ACETYLAMINO-5-NITROPYRIMIDINE, 2-AMINO-5-NITROPYRIDINE, 2-ACETYLAMINO-5-NITROPYRIDINE, 2-AMINO-4-METHYL-5-NITROPYRIDINE, 2-AMINO-5-NITROTHIAZOLE, 2-ACETYLAMINO-5-NITROTHIAZOLE, AND 2-AMINO-4-METHYL-5NITROTHIAZOLE.
Claim 2
Dependent Claim
31 words
A COMPOSITION OF MATTER EFFECTIVE IN THE CONTROL OF ENTEROHEPATITIS WHICH COMPRISES TURKEY FEED AND A COMPOUND OF THE GROUP CONSISTING OF 2-AMINO-5-NITROPYRIMIDINE, 2-ACETYLAMINO-5-NITROPYRIMIDINE, 2-AMINO-5-NITROPYRIDINE, 2-ACETYLAMINO-5-NITROPYRIDINE, 2-AMINO-4-METHYL-5-NITROPYRIDINE, 2-AMINO-5-NITROTHIAZOLE, 2-ACETYLAMINO-5-NITROTHIAZOLE, AND 2-AMINO-4-METHYL-5NITROTHIAZOLE.
References Cited (Backward Citations)
DE374291C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |