US3748321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-aminoalkyl-benzalkylenimine carboxamides
Assignee: ER Squibb and Sons LLC
•
Filing: 1971-09-01
•
Granted: 1973-07-24
•
Expires: 1991-09-01
Abstract
Abstract N-DILOWERALKYLAMINO LOWER ALKYL-N-LIWER ALKYL-1-BENZALKYLENIMINE-1-CARBOXAMIDES USEFUL AS TRANQUILIZERS.
Inventors
- 👤 J Krapcho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:26
CPC Classifications
C; C07; C07D; C07D223/00; C07D223/14; C07D223/16; C07D265/00; C07D265/28; C07D265/34; C07D265/36; C07D267/00; C07D267/02; C07D267/08; C07D267/12; C07D267/14; C07D281/00; C07D281/02; C07D281/04; C07D281/08; C07D281/10; C07D281/18
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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |