Patent US6290539B1 successfully refreshed from Google Patents.
US3738833A
Expired / Lapsed
US
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Photoconductive elements containing halogenated poly-alpha-olefin binders
Assignee: Eastman Kodak Co
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Filing: 1971-07-20
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Granted: 1973-06-12
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Expires: 1991-07-20
Abstract
Abstract PHOTOCONDUCTIVE ELEMENTS CONTAINING A PHTOCONDUCTOR AND A BINDER COMPRISING POLYMERS OF HALOGENATED POLY-AOLEFINS ARE DESCRIBED. THESE ELEMENTS CAN BE SENSITIZED AND CARGED EITHER NEGATIVELY OR POSITVELY.
Inventors
- 👤 S Merrill
- 👤 L Contois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:31
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0662; G03G5/05; G03G5/0528; G03G5/0532; G03G5/0539; G03G5/0601; G03G5/0605; G03G5/0607; G03G5/0609; G03G5/0612; G03G5/062; G03G5/0622; G03G5/0624; G03G5/0627; G03G5/0635; G03G5/064; G03G5/0644; G03G5/0661; G03G5/0664; G03G5/0666; G03G5/0668
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |