Patent US3243344A successfully refreshed from Google Patents.
US3243344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-inflammatory barbituric acid derivatives
Assignee: —
•
Filing: —
•
Granted: 1966-03-29
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Expires: 1983-03-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:43
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/57
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
32 words
AN ANTI-INFLAMMATORY COMPOSITION, WHICH COMPRISES A MINOR PROPORTION OF A MIXTURE OF SUBSTANTIALLY EQUAL PARTS OF AMINOPYRINE AND AT LEAST ONE MEMBER SELECTED FROM THE CLASS CONSISTING OF COMPUNDS OF THE FORMULA
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |