US3026326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-tricyanovinyl-azomethines and method of preparing them
Assignee: EIDP Inc
•
Filing: 1958-05-01
•
Granted: 1962-03-20
•
Expires: 1978-05-01
Abstract
No abstract record available.
Inventors
- 👤 Mckusick Blaine Chase
- 👤 Roland John Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:59
CPC Classifications
C; C07; C07C; C07C281/00; C07C281/16; C07C281/18; C09; C09B; C09B23/00; C09B23/0091; C09B23/16; C09B23/162; C09B23/164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2762832A
Cited
US2719861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |