US3335136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halophenylmercaptomethyl cephalosporins
Assignee: Eli Lilly and Co
•
Filing: 1965-12-27
•
Granted: 1967-08-08
•
Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Flynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:28
CPC Classifications
C; C07; C07D; C07D501/00; C07D501/14; C07D501/16; C07D501/20; C07D501/24; C07D501/26; C07D501/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
AN ANTIBIOTIC SUBSTANCE HAVING THE FORMULA:
Claim 2
Dependent Claim
6 words
AN ANTIBIOTIC SUBSTANCE HAVING THE FORMULA:
References Cited (Backward Citations)
US3207755A
Cited
US3079305A
Cited
US3079306A
Cited
US3202656A
Cited
US3173916A
Cited
US3222362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |