Patent US3506667A successfully refreshed from Google Patents.
US3506667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furo quinoline carboxylates
Assignee: Warner Lambert Co LLC
•
Filing: 1969-05-01
•
Granted: 1970-04-14
•
Expires: 1989-05-01
Abstract
No abstract record available.
Inventors
- 👤 Daniel Kaminsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:56
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07D307/78; C07D307/79; C07D307/82; C07D307/84; C07D307/85; C07D307/91
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |