US3222362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arylaminoalkyl cephalosporins
Assignee: Eli Lilly and Co
•
Filing: 1961-08-23
•
Granted: 1965-12-07
•
Expires: 1981-08-23
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Flynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:42
CPC Classifications
C; C07; C07D; C07D501/00; C07D501/14; C07D501/16; C07D501/20; C07D501/24; C07D501/26; C07D501/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
11 words
AN ANTIBIOTIC SUBSTANCE OF THE CLASS REPRESENTED BY THE FOLLOWING FORMULA:
References Cited (Backward Citations)
BE593777A
Cited
US2941995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |