US3486897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Merocyanine dyes as filter dyes and spectral sensitizers
Assignee: Eastman Kodak Co
•
Filing: 1966-07-22
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Granted: 1969-12-30
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Expires: 1986-07-22
Abstract
No abstract record available.
Inventors
- 👤 Gene Leech Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:37
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/42; G03C8/44; G03C8/48; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/12; G03C1/22; G03C1/76; G03C1/825; G03C1/83; G03C1/832; G03C5/00; G03C5/26; G03C5/40; G03C5/48
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) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |