US3828037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trifluoromethylmercaptoacetamidocephalosporins
Assignee: GlaxoSmithKline LLC
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Filing: 1972-07-20
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Granted: 1974-08-06
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Expires: 1992-07-20
Abstract
Abstract THIS INVENTION IS DIRECT TO ANITBACTERIAL COMPOUNDS, IN PARTICULAR, TO 7 - TRIFLUOROMETHYLMERCAPTOACETAMIDOCEPHALOSPORINS.
Inventors
- 👤 Marinis R De
- 👤 J Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:22
CPC Classifications
C; C07; C07D; C07D501/00; C07D501/14; C07D501/16; C07D501/20; C07D501/24; C07D501/36; A; A61; A61P; A61P31/00; A61P31/04; C07D207/00; C07D207/46; C07D501/26; C07D501/28
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) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |