Patent US3639613A successfully refreshed from Google Patents.
US3639613A
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Composition and methods for controlling coccidiosis in poultry employing nitrothiophene derivatives
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1968-08-28
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Granted: 1972-02-01
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Expires: 1988-08-28
Abstract
Abstract ANTI-COCCIDIO AND GROWTH PROMOTING COMPOSITION COMPRISING OPTIONALLY SUBSTITUTED NITROTHIOPHENE SULFONAMIDES, NITROTHIOPHENE CARBOXAMIDES, AND NITROTHIOPHENE DICARBOXAMIDES.
Inventors
- 👤 George L Dunn
- 👤 John R E Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:30
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/26; C07D333/42; A; A23; A23K; A23K20/00; A23K20/10; A23K20/116; A23K20/121
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |