US3640746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive contact electrification imaging
Assignee: Xerox Corp
•
Filing: 1968-09-18
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Granted: 1972-02-08
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Expires: 1988-09-18
Abstract
Abstract A method of imaging wherein an imaging member including an adhesive coating is placed in contact with an image bearing original and, when stripped therefrom, retains a latent electrostatic charge pattern corresponding to image and background areas of said image bearing original. The latent image is then developed to produce a visible image.
Inventors
- 👤 Werner E L Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:12
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G13/00; G03G13/22
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
18 words
The method as defined in claim 1 including the step of fixing the image on said insulating member.
Claim 2
Dependent Claim
17 words
The method as defined in claim 1 wherein the developer powder is applied to said adhesive layer.
Claim 3
Dependent Claim
16 words
The method as defined in claim 1 wherein the developer powder is applied to said substrate.
Claim 4
Dependent Claim
17 words
The method as defined in claim 1 wherein a positive image is formed on said insulating member.
Claim 5
Dependent Claim
17 words
The method as defined in claim 1 wherein a negative image is formed on said insulating member.
Claim 6
Dependent Claim
39 words
The method as defined in claim 1 including the step of placing a receiving material charged to a polarity opposite to that of said developer powder adjacent to said insulating member, thereby transferring the image to said receiving material.
Claim 7
Dependent Claim
20 words
The method as defined in claim 7 further including the step of fixing the image transferred to said receiving material.
References Cited (Backward Citations)
US3108894A
Cited
US3206600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |