US3349076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoazo dyes
Assignee: Eastman Kodak Co
•
Filing: 1964-09-03
•
Granted: 1967-10-24
•
Expires: 1984-09-03
Abstract
No abstract record available.
Inventors
- 👤 Max A Weaver
- 👤 David J Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:16
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/20; C07D239/22; C07D233/00; C07D233/54; C07D233/66; C07D233/72; C07D233/76; C07D241/00; C07D241/02; C07D241/06; C07D241/08; C07D265/00; C07D265/28; C07D265/30; C07D265/32; C07D265/33; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/34; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/921; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AN AZO COMPOUND OF THE GENERAL FORMULA
Claim 2
Dependent Claim
7 words
AN AZO COMPOUND OF 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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |