US3151982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xerographic plate
Assignee: Xerox Corp
•
Filing: 1962-04-02
•
Granted: 1964-10-06
•
Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Corrsin Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:10
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08; G03G5/085; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
THE METHOD OF PRODUCING AN ELECTROSTATIC CHARGE PATTERN WHICH COMPRISES APPLYING IN THEABSENCE OF LIGHT AN ELECTROSTATIC CHARGE TO A LAYER OF FINELY DIVIDED INORGANIC PHOTOCONDUCTIVE PARTICLES DISPERSED IN A HIGHLY INSULATING FUSED INORGANIC NON PHOTOCONDUCTIVE GLASS ABOUT 60% BY WEIGHT OF THE LAYER AND EXPOSING SAID BINDER, THE PHOTOCONDUCTIVE PARTICLES CONSTITUTING LESS THAN LAYER TO RADIATION TO CAUSE A FLOW OF ELECTRIC CHARGES THROUGH SAID LAYER TO FORM AN ELECTROSTATIC IMAGE AT A SURFACE OF SAID LAYER.
Claim 2
Independent Claim
78 words
THE METHOD OF PRODUCING AN ELECTROSTATIC CHARGE PATTERN WHICH COMPRISES APPLYING IN THEABSENCE OF LIGHT AN ELECTROSTATIC CHARGE TO A LAYER OF FINELY DIVIDED INORGANIC PHOTOCONDUCTIVE PARTICLES DISPERSED IN A HIGHLY INSULATING FUSED INORGANIC NON PHOTOCONDUCTIVE GLASS ABOUT 60% BY WEIGHT OF THE LAYER AND EXPOSING SAID BINDER, THE PHOTOCONDUCTIVE PARTICLES CONSTITUTING LESS THAN LAYER TO RADIATION TO CAUSE A FLOW OF ELECTRIC CHARGES THROUGH SAID LAYER TO FORM AN ELECTROSTATIC IMAGE AT A SURFACE OF SAID LAYER.
References Cited (Backward Citations)
US2930999A
Cited
US2901348A
Cited
US2862815A
Cited
US2940951A
Cited
US2844543A
Cited
US2886434A
Cited
US2863768A
Cited
US2937353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |