Patent US2989797A successfully refreshed from Google Patents.
Patent US3574615A successfully refreshed from Google Patents.
US3574615A
Expired / Lapsed
US
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Mechanism for electrically contacting a thin layer and use therefor
Assignee: Eastman Kodak Co
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Filing: 1968-04-04
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Granted: 1971-04-13
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Expires: 1988-04-04
Abstract
Abstract ELECTRICAL CONTACT WITH A THIN CONDUCTIVE LAYER IS OBTAINED USING A COMPLIANT SHEET OF INTERMEDIATE CONDUCTIVITY URGED BY A METALLIC CONDUCTIVE CLAMP INTO INTIMATE FACE-TO-FACE CONTACT WITH A SURFACE OF THE THIN CONDUCTIVE LAYER. THIS STRUCTURE IS ESPECIALLY USEFUL IN ELECTROPHOTOGRAPHIC PROCESSES IN WHICH THE THIN CONDUCTIVE LAYER IS TRANSPARENT AND SERVES AS ONE OF THE TWO ELECTRODES IN FIELD-INDUCED, IMAGEWISE CHARGE TRANSFER.
Inventors
- 👤 Theodore H Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:22
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/75; G03G15/758; G03G5/00; G03G5/10
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) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |