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US2940974A
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1-substituted-4-[(tertiary-or secondary-amino)-alkylimino]-1, 4-dihydroquinolines
Assignee: STWB Inc
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Filing: 1957-06-19
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Granted: 1960-06-14
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Expires: 1977-06-19
Abstract
No abstract record available.
Inventors
- 👤 Alexander R Surrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:13
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/38; C07D215/42; C07D215/46; C07D215/18; C07D215/20; C07D215/24; C07D215/26; C07D215/28; C07D215/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A COMPOSITION OF MATTER SELECTED FROM THE GROUP CONSISTING OF: (A) A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
16 words
A COMPOSITION OF MATTER SELECTED FROM THE GROUP CONSISTING OF: (A) A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2454949A
Cited
US2526417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |