Patent US3384487A successfully refreshed from Google Patents.
US3384487A
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Butadienyl dyes for photography
Assignee: Eastman Kodak Co
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Filing: 1964-09-01
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Granted: 1968-05-21
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Expires: 1984-09-01
Abstract
No abstract record available.
Inventors
- 👤 Donald W Heseltine
- 👤 Jean E Jones
- 👤 Lewis L Lincoln
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:06
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/825; G03C1/83; G03C1/832; B; B05; B05B; B05B9/00; B05B9/01; C; C09; C09B; C09B23/00; C09B23/10; C09B23/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3095303A
Cited
US3102810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |