Patent US3704290A successfully refreshed from Google Patents.
US3704290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-(1 - substituted aminocycloalkane-carboxamido)-penicillanic acid and salts
Assignee: Wyeth LLC
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Filing: 1970-12-09
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Granted: 1972-11-28
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Expires: 1990-12-09
Abstract
Abstract NOVEL SULFONYLATED PENICILLINS HAVE BEEEN PREPARED WHICH HAVE ANTIBACTERIAL ACTIVITY AND ARE USEFUL FOR THE TREATMENT OF MASTITIS IN CATTLE AND FOR THE TREATMENT OF INFECTIONS CAUSED BY SUSCEPTIBLE MICROORGANISMS.
Inventors
- 👤 Joseph P Hou
- 👤 John W Poole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:21
CPC Classifications
C; C07; C07D; C07D499/00
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) | 1975-11-28 | 1976-05-29 | 1976-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-28 | 1980-05-29 | 1980-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-28 | 1984-05-29 | 1984-11-28 | $7700.00 | Window Closed / Lapsed |