US3148180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiazole azo compounds
Assignee: Eastman Kodak Co
•
Filing: 1962-11-28
•
Granted: 1964-09-08
•
Expires: 1982-11-28
Abstract
No abstract record available.
Inventors
- 👤 James M Straley
- 👤 David J Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:58
CPC Classifications
C; C09; C09B; C09B29/00; C09B29/0025; C09B29/06; C09B29/08; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
AZO COMPOUNDS HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
6 words
AZO COMPOUNDS HAVING THE GENERAL 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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |