US3243293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate for electrostatic electro-photography
Assignee: Xerox Corp
•
Filing: 1965-03-26
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Granted: 1966-03-29
•
Expires: 1985-03-26
Abstract
No abstract record available.
Inventors
- 👤 Jerry L Stockdale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:21
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/043; G03G5/0433; G03G5/14; G03G5/142; G03G5/144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A XEROGRAPHIC PLATE COMPRISING: (A) A METALLIC BACKING MEMBER HAVING A SUBSTANTIALLY SMOOTH SURFACE; (B) A BARRIER FILM ON SAID SURFACE HAVING A THICKNESS OF UP TO ABOUT 3 MICRONS, SAID BARRIER FILM COMPRISING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SULFUR AND GALLIUM TRISELENIDE; AND, (C) A LAYER OF SUBSTANTIALLY UNIFORM THICKNESS OF PHOTOCONDUCTIVE SELENIUM ON SAID FILM, SAID LAYER HAVING A THICKNESS OF AT LEAST 20 MICRONS.
Claim 2
Dependent Claim
70 words
A XEROGRAPHIC PLATE COMPRISING: (A) A METALLIC BACKING MEMBER HAVING A SUBSTANTIALLY SMOOTH SURFACE; (B) A BARRIER FILM ON SAID SURFACE HAVING A THICKNESS OF UP TO ABOUT 3 MICRONS, SAID BARRIER FILM COMPRISING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SULFUR AND GALLIUM TRISELENIDE; AND, (C) A LAYER OF SUBSTANTIALLY UNIFORM THICKNESS OF PHOTOCONDUCTIVE SELENIUM ON SAID FILM, SAID LAYER HAVING A THICKNESS OF AT LEAST 20 MICRONS.
References Cited (Backward Citations)
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Cited
US2739243A
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US2901348A
Cited
GB755683A
Cited
US2956218A
Cited
US2937944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |