Patent US2888455A successfully refreshed from Google Patents.
US2888455A
Expired / Lapsed
US
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New sulfonamide and process for producing the same
Assignee: Shionogi and Co Ltd
•
Filing: 1957-09-03
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Granted: 1959-05-26
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Expires: 1977-09-03
Abstract
No abstract record available.
Inventors
- 👤 Kano Hideo
- 👤 Nishimura Haruo
- 👤 Nakajima Kiyoshi
- 👤 Ogata Kazuko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:23
CPC Classifications
C; C07; C07D; C07D261/00; C07D261/02; C07D261/06; C07D261/10; C07D261/14; C07D261/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
THE CHEMICAL COMPOUND 3-SULFANILAMIDO-5-METHYLISOXAZOLE, AS REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
9 words
THE CHEMICAL COMPOUND 3-SULFANILAMIDO-5-METHYLISOXAZOLE, AS REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
US2430094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |