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US2324013A
Expired / Lapsed
US
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Amino-substituents of sulphanil-amide derivatives
Assignee: Sharp and Dohme Inc
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Filing: 1941-07-31
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Granted: 1943-07-13
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Expires: 1961-07-31
Abstract
No abstract record available.
Inventors
- 👤 Maurice L Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:57
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/38; C07D277/50; C07D277/52
Claims Analysis
Total Claims: 0
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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) | 1946-07-12 | 1947-01-11 | 1947-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-12 | 1951-01-11 | 1951-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-12 | 1955-01-11 | 1955-07-13 | $7700.00 | Window Closed / Lapsed |