US2857387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-(dihydroquinolinyl) carboxanilides
Assignee: Monsanto Chemicals Ltd
•
Filing: 1956-11-02
•
Granted: 1958-10-21
•
Expires: 1976-11-02
Abstract
No abstract record available.
Inventors
- 👤 David J Beaver
- 👤 Paul J Stoffel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:45
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/48; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
COMPOUND OF THE STRUCTURE
Claim 2
Dependent Claim
4 words
COMPOUND OF THE STRUCTURE
References Cited (Backward Citations)
US2775587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |