US3169062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic reproduction process
Assignee: Azoplate Corp
•
Filing: 1962-03-21
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Granted: 1965-02-09
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Expires: 1982-03-21
Abstract
No abstract record available.
Inventors
- 👤 Klupfel Kurt Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:28
CPC Classifications
G; G03; G03G; G03G13/00; G03G13/04; G03G13/14; G03G13/18; G03G5/00; G03G5/02; G03G5/04; G03G5/08; G03G5/087; Y; Y10; Y10S; Y10S430/00; Y10S430/001; Y10S430/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN ELECTROPHOTOGRAPHIC REPRODUCTION PROCES WHICH COMPRISES PRODUCING A LATENT RESISTANCE IMAGE IN A FIRST PHOTOCONDUCTIVE INSULATOR LAYER CONTANINING AN INORGANIC PHOTOSEMIDONDUCTOR BY EXPOSURE OF THE LAYER TO A LIGHT IMAGE, THEN PLACING A SUPPORTED SECOND PHOTOCONDUCTIVE INSULATOR LAYER IN SURFACE CONTACT WITH THE FIRST LAYER WITH THE LAYERS FACING EACH OTHER, ELECTROSTATICALLY CHARGING THE SECOND LAYER BY APPLYING AN ELECTROSTATIC CHARGE TO THE SUPPORT FOR THE SECOND LAYER ON THE SIDE REMOTE FROM THE SECOND LAYER AND DEVELOPING AT LEAST ONE OF THE LATENT ELECTROSTATIC IMAGES PRODUCED.
Claim 2
Dependent Claim
87 words
AN ELECTROPHOTOGRAPHIC REPRODUCTION PROCES WHICH COMPRISES PRODUCING A LATENT RESISTANCE IMAGE IN A FIRST PHOTOCONDUCTIVE INSULATOR LAYER CONTANINING AN INORGANIC PHOTOSEMIDONDUCTOR BY EXPOSURE OF THE LAYER TO A LIGHT IMAGE, THEN PLACING A SUPPORTED SECOND PHOTOCONDUCTIVE INSULATOR LAYER IN SURFACE CONTACT WITH THE FIRST LAYER WITH THE LAYERS FACING EACH OTHER, ELECTROSTATICALLY CHARGING THE SECOND LAYER BY APPLYING AN ELECTROSTATIC CHARGE TO THE SUPPORT FOR THE SECOND LAYER ON THE SIDE REMOTE FROM THE SECOND LAYER AND DEVELOPING AT LEAST ONE OF THE LATENT ELECTROSTATIC IMAGES PRODUCED.
References Cited (Backward Citations)
US2825814A
Cited
US2833930A
Cited
US3084061A
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US2817277A
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US3057719A
Cited
US3011918A
Cited
US3051569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |