US3372157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-amino-penicillanic acid derivatives
Assignee: Novartis Corp
•
Filing: 1965-07-08
•
Granted: 1968-03-05
•
Expires: 1985-07-08
Abstract
No abstract record available.
Inventors
- 👤 Peter Baumann
- 👤 Markus Zimmermann
- 👤 Franz Hafliger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:33
CPC Classifications
C; C07; C07D; C07D499/00; A; A61; A61K; A61K31/00; C07C; C07C51/00; C07C51/42; C07C51/487; C07C51/493; C07C59/00; C07C59/125; C07C59/13; C07C59/40; C07C59/58; C07C59/72; C07C61/00; C07C61/12; C07C61/125; C07C61/13; C07C62/00; C07C62/02; C07C62/06; C07C62/08; C07C62/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |