US3574203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-substituted 5,6-dihydro-4h-1,3-thiazines
Assignee: Pfizer Inc
•
Filing: 1965-10-14
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Granted: 1971-04-06
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Expires: 1985-10-14
Abstract
Abstract A SERIES OF 5,6-DIHYDRO-2-(SUBSTITUTED) ETHYL- AND 5,6DIHYDRO-2-(SUBSTITUTED) VINYL-4H-1,3-THIAZINES AND THEIR NON-TOXIC ACID ADDITION SALTS USEFUL IN THE VETERINARY CONTROL OF HELMINTHIASIS.
Inventors
- 👤 Lloyd H Conover
- 👤 James W Mcfarland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:45
CPC Classifications
C; C07; C07D; C07D275/00; C07D275/02; C07D277/00; C07D277/02; C07D277/20; C07D277/22; C07D277/24; C07D277/30; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/22; C07D333/26; C07D333/38
Claims Analysis
Total Claims: 0
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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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |