US2962376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xerographic member
Assignee: Xerox Corp
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Filing: 1958-05-14
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Granted: 1960-11-29
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Expires: 1978-05-14
Abstract
No abstract record available.
Inventors
- 👤 Roland M Schaffert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:25
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08; G03G5/082; G03G5/08207; G03G5/043; G03G5/0433
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A XEROGRAPHIC PLATE COMPRISING AN ELECTRICALLY CONDUCTIVE BACKING MEMBER HAVING ON AT LEAST ONE SURFACE A LAYER OF PHOTOCONDUCTIVE INSULATING MATERIAL BETWEEN ABOUT 20 AND 200 MICRONS THICK, SAID MATERIAL CONSISTING ESSENTIALLY OF VITREOUS SELENIUM AND HAVING THEREIN A LAYER BETWEEN ABOUT 0.5 AND 10 MICRONS THICK OF A RED SENSITIVE PHOTOCONDUCTOR, SAID PHOTOCONDUCTOR BEING POSITIONED WITHIN THE SELENIUM AT LEAST ABOUT 0.1 MICRON FROM SAID BACKING MATERIAL AND AT LEAST ABOUT 1 MICRON FROM THE FREE SURFACE OF SAID SELENIUM LAYER AND NO MORE THAN ABOUT 20 MICRONS FROM THE SURFACE OF THE SELENIUM RECEIVING THE ACTIVATING RADIATION.
Claim 2
Dependent Claim
99 words
A XEROGRAPHIC PLATE COMPRISING AN ELECTRICALLY CONDUCTIVE BACKING MEMBER HAVING ON AT LEAST ONE SURFACE A LAYER OF PHOTOCONDUCTIVE INSULATING MATERIAL BETWEEN ABOUT 20 AND 200 MICRONS THICK, SAID MATERIAL CONSISTING ESSENTIALLY OF VITREOUS SELENIUM AND HAVING THEREIN A LAYER BETWEEN ABOUT 0.5 AND 10 MICRONS THICK OF A RED SENSITIVE PHOTOCONDUCTOR, SAID PHOTOCONDUCTOR BEING POSITIONED WITHIN THE SELENIUM AT LEAST ABOUT 0.1 MICRON FROM SAID BACKING MATERIAL AND AT LEAST ABOUT 1 MICRON FROM THE FREE SURFACE OF SAID SELENIUM LAYER AND NO MORE THAN ABOUT 20 MICRONS FROM THE SURFACE OF THE SELENIUM RECEIVING THE ACTIVATING RADIATION.
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) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |