US2917385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflex xerography
Assignee: Xerox Corp
•
Filing: 1955-08-26
•
Granted: 1959-12-15
•
Expires: 1975-08-26
Abstract
No abstract record available.
Inventors
- 👤 John F Byrne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:03
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A XEROGRAPHIC PLATE COMPRISING AS AN INTEGRAL MEMBER A CONTINUOUS SOLID SUPPORT HAVING A UNIFORM PATTERN OF FINELY-INTERSPERSED TRANSPARENT AND OPAQUE AREAS, AT LEAST THE OPAQUE AREAS BEING ELECTRICALLY CONDUCTIVE, A PHOTOCONDUCTIVE INSULATING MATERIAL COATED ON AND COVERING ONLY SAID OPAQUE AREAS SO THAT ILLUMNATION THROUGH SAID SUPPORT PASSES THROUGH SAID PLATE IN ONE DIRECTION WITHOUT ACTIVITING SAID PHOTOCONDUCTIVE INSULATING MATERIAL, AND MEANS TO APPLY A GROUND POTENTIAL TO EACH OF THE CONDUCTIVE OPAQUE AREAS IN SAID SUPPORT LAYER, SAID PLATE BEING ADAPTED TO BE ELECTROSTATICALLY CHARGED ON THE SURFACE OF SAID PHOTOCONDUCTIVE INSULATING MATERIAL, AND UNIFORMLY ILLUMINATED THROUGH SAID SUPPORT WHILE A FACSIMILE COPY CONTACTS SAID PHOTOCONDUCTIVE INSULATING MATERIAL.
Claim 2
Dependent Claim
110 words
A XEROGRAPHIC PLATE COMPRISING AS AN INTEGRAL MEMBER A CONTINUOUS SOLID SUPPORT HAVING A UNIFORM PATTERN OF FINELY-INTERSPERSED TRANSPARENT AND OPAQUE AREAS, AT LEAST THE OPAQUE AREAS BEING ELECTRICALLY CONDUCTIVE, A PHOTOCONDUCTIVE INSULATING MATERIAL COATED ON AND COVERING ONLY SAID OPAQUE AREAS SO THAT ILLUMNATION THROUGH SAID SUPPORT PASSES THROUGH SAID PLATE IN ONE DIRECTION WITHOUT ACTIVITING SAID PHOTOCONDUCTIVE INSULATING MATERIAL, AND MEANS TO APPLY A GROUND POTENTIAL TO EACH OF THE CONDUCTIVE OPAQUE AREAS IN SAID SUPPORT LAYER, SAID PLATE BEING ADAPTED TO BE ELECTROSTATICALLY CHARGED ON THE SURFACE OF SAID PHOTOCONDUCTIVE INSULATING MATERIAL, AND UNIFORMLY ILLUMINATED THROUGH SAID SUPPORT WHILE A FACSIMILE COPY CONTACTS SAID PHOTOCONDUCTIVE INSULATING MATERIAL.
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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) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |