US3363556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic imaging and copying process
Assignee: 3M Co
•
Filing: 1962-03-22
•
Granted: 1968-01-16
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Expires: 1982-03-22
Abstract
No abstract record available.
Inventors
- 👤 Benjamin L Shely
- 👤 Joseph W Shepard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:48
CPC Classifications
G; G03; G03G; G03G13/00; G03G13/26; B; B41; B41M; B41M5/00; B41M5/025; B41M5/0256; G03G13/01; G03G13/14; G03G13/22; G03G17/00; G03G17/02; G03G7/00; G03G9/00; G03G9/06; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
100 words
AN IMAGE REPRODUCTION PROCESS WHICH COMPRISES EXPOSING TO ACTIVATING IRRADIATION A PHOTOCONDUCTIVE, ELECTROLYTICALLY DEVELOPABLE COPYSHEET TO PRODUCE A DIFFERENTIAL CONDUCTIVITY PATTERN THEREON, ELECTROLYTICALLY DEPOSITING FROM AN ELECTROLYTIC BATH A VAPORIZABLE IMAGE FORMING MATERIAL SELECTIVELY ON THE MORE CONDUCTIVE AREAS OF SAID COPYSHEET, POSITIONING THE ELECTROLYTICALLY DEVELOPED COPYSHEET ADJACENT A SURFACE OF A RECEPTOR SHEET CAPABLE OF CHANGING COLOR UPON CONTACT WITH SAID VAPORIZABLE IMAGE FORMING MATERIAL, AND HEATING SAID COPYSHEET SUFFICIENTLY TO EFFECT VAPOR TRANSFER OF SAID VAPORIZABLE IMAGE FORMING MATERIAL TO SAID RECEPTOR SURFACE, THEREBY CREATING A VISIBLE IMAGE ON SAID RECEPTOR SURFACE CORRESPONDING TO SAID DIFFERENTIAL CONDUCTIVITY PATTERN.
Claim 2
Dependent Claim
100 words
AN IMAGE REPRODUCTION PROCESS WHICH COMPRISES EXPOSING TO ACTIVATING IRRADIATION A PHOTOCONDUCTIVE, ELECTROLYTICALLY DEVELOPABLE COPYSHEET TO PRODUCE A DIFFERENTIAL CONDUCTIVITY PATTERN THEREON, ELECTROLYTICALLY DEPOSITING FROM AN ELECTROLYTIC BATH A VAPORIZABLE IMAGE FORMING MATERIAL SELECTIVELY ON THE MORE CONDUCTIVE AREAS OF SAID COPYSHEET, POSITIONING THE ELECTROLYTICALLY DEVELOPED COPYSHEET ADJACENT A SURFACE OF A RECEPTOR SHEET CAPABLE OF CHANGING COLOR UPON CONTACT WITH SAID VAPORIZABLE IMAGE FORMING MATERIAL, AND HEATING SAID COPYSHEET SUFFICIENTLY TO EFFECT VAPOR TRANSFER OF SAID VAPORIZABLE IMAGE FORMING MATERIAL TO SAID RECEPTOR SURFACE, THEREBY CREATING A VISIBLE IMAGE ON SAID RECEPTOR SURFACE CORRESPONDING TO SAID DIFFERENTIAL CONDUCTIVITY PATTERN.
Claim 3
Dependent Claim
30 words
THE IMAGE REPRODUCTION PROCESS FO CLAIM 1 WHEREIN SAID RECEPTOR SURFACE CONTAINS A MATERIAL WHICH CHEMICALLY REACTS WITH SAID VAPORIZABLE IMAGE FORMING MATERIAL AND CHANGES IN COLOR UPON SAID REACTION.
References Cited (Backward Citations)
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US3106518A
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US3242858A
Cited
US3094417A
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US3280735A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |