US3703371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoconductive elements containing polymeric binders
Assignee: Eastman Kodak Co
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Filing: 1971-09-30
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Granted: 1972-11-21
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Expires: 1991-09-30
Abstract
Abstract PHOTOCONDUCTIVE ELEMENTS CONTAINING A PHOTOCONDUCTOR AND A BINDER FOR THE PHOTOCONDUCTOR COMPRISING A POLY(ALKYLIDENEBISARYLOXYALKYL-CO-ALKYLENE ISOPHTHALATE) ARE DESCRIBED. THE DESCRIBED ELEMENTS CAN BE SENSITIZED AND CHARGED EITHER NEGATIVELY OR POSITIVELY AND USED TO PREPARE IMAGES ELECTROPHOTOGRAPHICALLY.
Inventors
- 👤 Stewart H Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:39
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/05; G03G5/0528; G03G5/0557; G03G5/056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-21 | 1976-05-22 | 1976-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-21 | 1980-05-22 | 1980-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-21 | 1984-05-22 | 1984-11-21 | $7700.00 | Window Closed / Lapsed |