US2666059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anilinoisoquinolines and processes of preparing the same
Assignee: Wyeth Holdings LLC
•
Filing: 1950-08-11
•
Granted: 1954-01-12
•
Expires: 1970-08-11
Abstract
No abstract record available.
Inventors
- 👤 Selby B Davis
- 👤 Stuart D Willson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:04
CPC Classifications
C; C07; C07D; C07D217/00; C07D217/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
COMPOUNDS OF THE GROUP CONSISTING OF THOSE HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
11 words
COMPOUNDS OF THE GROUP CONSISTING OF THOSE HAVING THE GENERAL 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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |