US3105079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
10-aminobenzopyridocolines
Assignee: Pfizer Inc
•
Filing: 1961-12-29
•
Granted: 1963-09-24
•
Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 James R Tretter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:24
CPC Classifications
C; C07; C07D; C07D455/00; C07D455/03; C07D455/04; C07D455/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BENZOPYRIDOCOLINE BASES OF THE FORMULA:
Claim 2
Dependent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BENZOPYRIDOCOLINE BASES OF THE FORMULA:
Claim 3
Dependent Claim
9 words
AN AXIAL ISOMER OF A COMPOUND OF CLAIM 1.
References Cited (Backward Citations)
US3053845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |