US2870153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternaries of pyridyl and quinolyl propionitriles
Assignee: Monsanto Chemicals Ltd
•
Filing: 1956-06-12
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Granted: 1959-01-20
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Expires: 1976-06-12
Abstract
No abstract record available.
Inventors
- 👤 Heininger Samuel Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:57
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/20; A; A01; A01N; A01N25/00; A01N25/30; C07D217/00; C07D217/02; C07D217/10; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A QUATERNARY AMMONIUM SALT OF THE FORMULA
Claim 2
Dependent Claim
7 words
A QUATERNARY AMMONIUM SALT OF THE FORMULA
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |