Patent US3053737A successfully refreshed from Google Patents.
US3053737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-acetyl-p-aminophenol antiinflammatory steroid compositions
Assignee: Individual
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Filing: 1959-11-09
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Granted: 1962-09-11
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Expires: 1979-11-09
Abstract
No abstract record available.
Inventors
- 👤 Willard J Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:18
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/57; A61K31/573; A61K31/13; A61K31/135; A61K31/16; A61K31/165; A61K31/33; A61K31/395; A61K31/40; A61K31/403; A61K31/404; A61K31/405; A61K31/435; A61K31/44; A61K31/445; A61K31/455
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
19 words
A THERAPEUTIC COMPOSITION COMPRISING AS ITS ACTIVE INGREDIENTS CORTISONE AND N-ACETYL-P-AMINOPHENOL IN A RATIO OF BETWEEN 1:10 AND 1:1000.
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |