US3253876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile dyeing using disazo dyes
Assignee: Eastman Kodak Co
•
Filing: 1963-04-12
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Granted: 1966-05-31
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Expires: 1983-04-12
Abstract
No abstract record available.
Inventors
- 👤 Jr David H Wilcox
- 👤 William L Hicks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:13
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/24; D06P3/26; C; C09; C09B; C09B31/00; C09B31/02; C09B31/06; C09B31/062; D06P3/34; D06P3/40; D06P3/42; Y; Y10; Y10S; Y10S534/00; Y10S534/01; Y10S8/00; Y10S8/92; Y10S8/921; Y10S8/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A COMPOSITON OF MATTER COMPRISING A MIXTURE OF AT LEAST TWO DIFFERENT DISAZO COMPOUNDS, EACH HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
19 words
A COMPOSITON OF MATTER COMPRISING A MIXTURE OF AT LEAST TWO DIFFERENT DISAZO COMPOUNDS, EACH HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |