Patent US2902404A successfully refreshed from Google Patents.
US2902404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New sedatives and anticonvulsants
Assignee: Commercial Solvents Corp
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Filing: 1957-11-25
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Granted: 1959-09-01
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Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph N Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:44
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/13; C07C205/14; C07C205/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A COMPOSITION IN UNIT DOSAGE FORM FOR USE IN PRODUCING ATARAXIA CONTAINING AS THE ESSENTIAL ACTIVE INGREDIENT 0.25-0.5 G. OF A COMPOUND HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
26 words
A COMPOSITION IN UNIT DOSAGE FORM FOR USE IN PRODUCING ATARAXIA CONTAINING AS THE ESSENTIAL ACTIVE INGREDIENT 0.25-0.5 G. OF A COMPOUND HAVING THE STRUCTURAL FORMULA:
References Cited (Backward Citations)
US2139120A
Cited
US2132330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |