Patent US3865501A successfully refreshed from Google Patents.
US4097482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-O-Cyanobenzyl-4,5,6,7-tetrahydro-thieno 3,2-c!pyridine maleate
Assignee: Centre dEtudes pour lIndustrie Pharmaceutique
•
Filing: 1976-07-09
•
Granted: 1978-06-27
•
Expires: 1996-07-09
Abstract
Abstract The present invention relates to pyridine derivatives having the formula: <IMAGE> (I) in which:
Inventors
- 👤 Armand Amselem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:15
CPC Classifications
C; C07; C07D; C07D495/00; C07D495/02; C07D495/04; A; A61; A61P; A61P29/00; A61P7/00; A61P7/02; A61P9/00; A61P9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
5-o-cyanobenzyl-4,5,6,7-tetrahydrothieno 3,2-c!pyridine maleate.
Claim 2
Dependent Claim
3 words
5-o-cyanobenzyl-4,5,6,7-tetrahydrothieno 3,2-c!pyridine maleate.
References Cited (Backward Citations)
US4051141A
Cited
US3969358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-06-26 | 1981-12-26 | 1982-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-26 | 1985-12-26 | 1986-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-26 | 1989-12-26 | 1990-06-27 | $7700.00 | Window Closed / Lapsed |