Patent US3223710A successfully refreshed from Google Patents.
US3223710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-beta-methoxyethylpyridine and its preparation
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1960-11-07
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Granted: 1965-12-14
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Expires: 1980-11-07
Abstract
No abstract record available.
Inventors
- 👤 Greenhalgh Norman
- 👤 Arnall Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:25
CPC Classifications
A; A61; A61K; A61K31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A MEMBER OF THE GROUP CONSISTING OF THE COMPOUND 2-B-METHOXYETHYLPYRIDINE AND PHARMACEUTICALLY-ACCEPTABLE SALTS THEREOF.
Claim 2
Dependent Claim
14 words
A MEMBER OF THE GROUP CONSISTING OF THE COMPOUND 2-B-METHOXYETHYLPYRIDINE AND PHARMACEUTICALLY-ACCEPTABLE SALTS THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |