US2858309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New aminobenzene sulfonamide
Assignee: CIBA PHARM PROD Inc
•
Filing: 1957-05-02
•
Granted: 1958-10-28
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Expires: 1977-05-02
Abstract
No abstract record available.
Inventors
- 👤 Druey Jean
- 👤 Schmidt Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:35
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/38; C07D231/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
3-(P-AMINOBENZENE SULFONAMIDO)-2-PHENYL-PYRAZOLE OF THE FORMULA
Claim 2
Dependent Claim
5 words
3-(P-AMINOBENZENE SULFONAMIDO)-2-PHENYL-PYRAZOLE 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) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |