Patent US4231682A successfully refreshed from Google Patents.
Patent US2984682A successfully refreshed from Google Patents.
US2984682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Schiff base carbamates
Assignee: Dow Chemical Co
•
Filing: 1959-11-04
•
Granted: 1961-05-16
•
Expires: 1979-11-04
Abstract
No abstract record available.
Inventors
- 👤 Warren W Kaeding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:15
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/22; C; C07; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE STRUCTURE
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE STRUCTURE
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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |