US3227549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple image forming xerographic reproduction process
Assignee: Xerox Corp
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Filing: 1965-02-24
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Granted: 1966-01-04
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Expires: 1985-02-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Osmar A Ullrich
- 👤 Harvey H Hunter
- 👤 Paul G Andrus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:11
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/01; G03G15/0142; G03G15/22; G03G15/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A PROCESS FOR XEROGRAPHICALLY REPRODUCING IMAGES FROM DIFFERENT ORIGINALS IN ACCURATE REGISTRATION ON A XEROGRAPHIC PLATE COMPRISING THE STEPS OF: SUBJECTING A XEROGRAPHIC PLATE TO TREATMENT THAT INCLUDES CHARGING A XEROGRAPHIC PLATE TO AN IMAGE FORMING POTENTIAL; EXPOSING THE CHARGE PLATE TO AN ACTIVATING RADIATION IMAGE OF A FIRST ORIGINAL TO FORM AN ELECTROSTATIC LATENT IMAGE OF THE EXPOSED ORIGINAL ON THE PLATE; DEVELOPING THE ELECTROSTATIC LATENT IMAGE WITH A SUBSTANTIALLY ELECTRICALLY INSULATING LIQUID CONTAINING DISCRETE DEVELOPER PARTICLES; WITH THE PREVIOUSLY DEVELOPED IMAGE REMAINING AND BEFORE COMPLETE FUSING THEREOF AGAIN SUBJECTING THE SAME PLATE AT LEAST PARTIALLY IN THE CONFINES OF THE EXISTING IMAGE AREA THEREOF TO SAID TREATMENT WHILE EXPOSING A DIFFERENT ORIGINAL TO THE PLATE FOR EACH SUBSEQUENT TREATMENT TO WHICH IT IS SUBJECT; AND CONTROLLING EACH SUBSEQUENT EXPOSURE TO BE OPERATIVE IN ACCURATE REGISTRATION TO THE IMAGE REPRODUCED FROM EACH PRECEDING EXPOSURE.
Claim 2
Dependent Claim
145 words
A PROCESS FOR XEROGRAPHICALLY REPRODUCING IMAGES FROM DIFFERENT ORIGINALS IN ACCURATE REGISTRATION ON A XEROGRAPHIC PLATE COMPRISING THE STEPS OF: SUBJECTING A XEROGRAPHIC PLATE TO TREATMENT THAT INCLUDES CHARGING A XEROGRAPHIC PLATE TO AN IMAGE FORMING POTENTIAL; EXPOSING THE CHARGE PLATE TO AN ACTIVATING RADIATION IMAGE OF A FIRST ORIGINAL TO FORM AN ELECTROSTATIC LATENT IMAGE OF THE EXPOSED ORIGINAL ON THE PLATE; DEVELOPING THE ELECTROSTATIC LATENT IMAGE WITH A SUBSTANTIALLY ELECTRICALLY INSULATING LIQUID CONTAINING DISCRETE DEVELOPER PARTICLES; WITH THE PREVIOUSLY DEVELOPED IMAGE REMAINING AND BEFORE COMPLETE FUSING THEREOF AGAIN SUBJECTING THE SAME PLATE AT LEAST PARTIALLY IN THE CONFINES OF THE EXISTING IMAGE AREA THEREOF TO SAID TREATMENT WHILE EXPOSING A DIFFERENT ORIGINAL TO THE PLATE FOR EACH SUBSEQUENT TREATMENT TO WHICH IT IS SUBJECT; AND CONTROLLING EACH SUBSEQUENT EXPOSURE TO BE OPERATIVE IN ACCURATE REGISTRATION TO THE IMAGE REPRODUCED FROM EACH PRECEDING EXPOSURE.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |