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US3227549A Expired / Lapsed US ⏱️ 0.0 years remaining

Multiple image forming xerographic reproduction process

Assignee: Xerox Corp
•
Filing: 1965-02-24
•
Granted: 1966-01-04
•
Expires: 1985-02-24
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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)

US2907674A Cited
US3060021A Cited
US3057720A Cited

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

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