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Patent US3708286A successfully refreshed from Google Patents.
US3708286A
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Photoelectrophoretic imaging with ultrasonic vibration during imaging
Assignee: Xerox Corp
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Filing: 1968-10-03
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Granted: 1973-01-02
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Expires: 1988-10-03
Abstract
Abstract METHOD AND APPARATUS FOR IMPROVING IMAGE DENSITY, CONTRAST AND QUALITY AND PHOTOGRAPHIC SPEED IN AN ELECTROPHORETIC IMAGING SYSTEM UTILIZING A PARTICULATE SUSPENSION FOR FORMING THE IMAGE. THE METHOD AND APPARATUS STRESS A LAYER OF THE ELECTROPHORETIC SUSPENSION OF PARTICLES IN A CARRIER ON AN ELECTRODE DURING IMAGING BY APPLY- ING A HIGH FREQUENCY OSCILLATION, PREFERABLY ULTRASONIC, ACROSS THE IMAGING SUSPENSION.
Inventors
- 👤 T Davies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:25
CPC Classifications
G; G03; G03G; G03G17/00; G03G17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |