US2430558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic emulsion sensitized with combination of merocyanine dye and a monomethinecyanine, a trimethinecyanine, a dimethinehemicyanine, or a styryl dye
Assignee: Eastman Kodak Co
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Filing: 1945-10-26
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Granted: 1947-11-11
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Expires: 1965-10-26
Abstract
No abstract record available.
Inventors
- 👤 Burt H Carroll
- 👤 Leslie G S Brooker
- 👤 Spence John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:09
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/28; G03C1/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2218230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |