US3042671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzopyridocolines
Assignee: Pfizer Inc
•
Filing: 1959-10-07
•
Granted: 1962-07-03
•
Expires: 1979-10-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph G Lombardino
- 👤 William M Mclamore
- 👤 Gerald D Laubach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:27
CPC Classifications
C; C07; C07D; C07D513/00; C07D513/02; C07D513/04; C07D217/00; C07D217/12; C07D217/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE CLASS OF THIABENZOPYRIDOCOLINES HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE CLASS OF THIABENZOPYRIDOCOLINES HAVING THE STRUCTURAL 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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |