US3575969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desacetoxycephalosporin antibiotics
Assignee: Eli Lilly and Co
•
Filing: 1968-03-04
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Granted: 1971-04-20
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Expires: 1988-03-04
Abstract
Abstract DESACETOXYCEPHALOSPORIN ANTIBIOTICS CONTAINING THIENYL OR FURYL RINGS IN THE 7-ACYLAMIDO MOIETY OF THE MOLECULE, E.G., 7-(A-AMINO-A-THIENYLACETAMIDO)-3-METHYL-$3CEPHEM-4-CARBOXYLIC ACID, AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF.
Inventors
- 👤 Robert B Morin
- 👤 Billy G Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:34
CPC Classifications
C; C07; C07D; C07D501/00; C07D501/14; C07D501/16; C07D501/20; C07D501/22
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |