US2713047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-diethylamino-1, 2-dihydroquinolines
Assignee: Monsanto Chemicals Ltd
•
Filing: 1953-08-04
•
Granted: 1955-07-12
•
Expires: 1973-08-04
Abstract
No abstract record available.
Inventors
- 👤 David J Beaver
- 👤 Paul M Downey
- 👤 James O Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:14
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/38; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3432; C08K5/3437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE COMPOUNDS OF THE GENERAL FORMULA
Claim 2
Dependent Claim
6 words
THE COMPOUNDS OF THE GENERAL FORMULA
References Cited (Backward Citations)
US1807355A
Cited
US2381771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |