Patent US3549362A successfully refreshed from Google Patents.
US3549362A
Expired / Lapsed
US
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Novel cyanine dyes for the sensitization of organic photoconductors
Assignee: Eastman Kodak Co
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Filing: 1968-04-12
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Granted: 1970-12-22
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Expires: 1988-04-12
Abstract
No abstract record available.
Inventors
- 👤 James W Carpenter
- 👤 John D Mee
- 👤 Donald W Heseltine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:53
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/10; C09B23/105; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0664; G03G5/0666; G03G5/0668; G03G5/067
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) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |