US3349075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoazo dyes for hydrophobic fibers
Assignee: Eastman Kodak Co
•
Filing: 1963-05-01
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Granted: 1967-10-24
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Expires: 1983-05-01
Abstract
No abstract record available.
Inventors
- 👤 David J Wallace
- 👤 Max A Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:02
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/58; C07D277/38; C07D277/50; C09; C09B; C09B29/00; C09B29/0025; 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 HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
7 words
AN AZO COMPOUND 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) | 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 |