US2973298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfonamide drug and terephthalic acid composition
Assignee: MEDATZ Inc
•
Filing: 1958-12-29
•
Granted: 1961-02-28
•
Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Tevis M Goldhaft
- 👤 Kaitz Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:40
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/63; A61K31/635
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A COMPOSITION WHICH COMPRISES A SULFONAMIDE DRUG AND AN ESSENTIAL ACTIVE INGREDIENT SELECTED FROM THE GROUP CONSISTING OF TEREPHTHALIC ACID AND THE SALTS THEREOF.
Claim 2
Dependent Claim
24 words
A COMPOSITION WHICH COMPRISES A SULFONAMIDE DRUG AND AN ESSENTIAL ACTIVE INGREDIENT SELECTED FROM THE GROUP CONSISTING OF TEREPHTHALIC ACID AND THE SALTS THEREOF.
References Cited (Backward Citations)
US2855340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |