US3040050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-(beta-phenyl-hydroxyethyl)-2-imino-1, 2-dihydropyridine and hydrochloride
Assignee: LAKESIDE LAB Inc
•
Filing: 1960-03-01
•
Granted: 1962-06-19
•
Expires: 1980-03-01
Abstract
No abstract record available.
Inventors
- 👤 John H Biel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:17
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/73; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/38; C07D277/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
1-(BETA-PHENY-BETA-HYDROXYETHYL)-2IMINO-1.2 DIHYDROPYRIDINE.
Claim 2
Dependent Claim
2 words
1-(BETA-PHENY-BETA-HYDROXYETHYL)-2IMINO-1.2 DIHYDROPYRIDINE.
References Cited (Backward Citations)
US2946793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |