US2470094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoazo dye
Assignee: Eastman Kodak Co
•
Filing: 1945-02-23
•
Granted: 1949-05-17
•
Expires: 1965-02-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Dickey
- 👤 James G Mcnally
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:02
CPC Classifications
C; C09; C09B; C09B29/00; C09B29/06; C09B29/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR669168A
Cited
US2045324A
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US2082156A
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FR824444A
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US2314440A
Cited
FR840512A
Cited
US2173052A
Cited
US2349899A
Cited
US2277230A
Cited
US2213740A
Cited
US2249749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-16 | 1952-11-15 | 1953-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-16 | 1956-11-15 | 1957-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-16 | 1960-11-15 | 1961-05-17 | $7700.00 | Window Closed / Lapsed |