US3692518A
Expired / Lapsed
US
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Manifold imaging process
Assignee: Xerox Corp
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Filing: 1969-04-18
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Granted: 1972-09-19
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Expires: 1989-04-18
Abstract
Abstract AN IMPROVED IMAGING PROCESS WHEREIN A COHESIVELY WEAK ELECTRICALLY PHOTOSENSITIVE IMAGING LAYER IS DANDWICHED BETWEEN A DONOR SHEET AND A RECEIVER SHEET. THE IMAGING LAYER IS SUBJECTED TO AN ELECTRIC CHARGE PROVIDED AT LEAST IN PART BY A STATIC CHARGE ON ONE OF THE SHEETS AND THE IMAGING LAYER IS EXPOSED TO A PATTERN OF ELECTROMAGNETIC RADIATION TO WHICH THE IMAGING LAYER IS SENSITIVE. SUBSEQUENTLY, THE CHARGE BEARING SHEET OR SHEETS ARE ELECTRICALLY CHARGED A SECOND TIME. WHILE UNDER AN ELECTRICAL CHARGE THE SANDWICH IS SEPARATED WHEREBY THE IMAGING LAYER FRACTURES IN IMAGEWISE CONFIGURATION.
Inventors
- 👤 Gedeminas J Reinis
- 👤 Vsevolod Tulagin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:00
CPC Classifications
G; G03; G03G; G03G17/00; G03G17/08; G03G13/00; G03G13/22; G03G13/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |