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US2469682A
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Monoazo dye compounds containing a butadiene-1, 3 grouping
Assignee: Eastman Kodak Co
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Filing: 1947-11-28
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Granted: 1949-05-10
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Expires: 1967-11-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Dickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:36
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/0056; D06P1/006; C; C09; C09B; C09B62/00; C09B62/44; C09B62/78; C09B62/82; C09B62/825
Claims Analysis
Total Claims: 0
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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) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |