US3117119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cycloaliphatic penhicillin derivatives
Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1962-11-13
•
Granted: 1964-01-07
•
Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Alfred W Chow
- 👤 John R E Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:46
CPC Classifications
C; C07; C07D; C07D499/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim
4 words
COMPOUNDS OF THE FORMULA:
References Cited (Backward Citations)
US2941995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |