US3782932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophoretic imaging process using transparent particles
Assignee: Xerox Corp
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Filing: 1972-09-20
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Granted: 1974-01-01
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Expires: 1992-09-20
Abstract
Abstract AN IMAGE IS FORMED PHOTOELECTROPHORETICALLY BY EXPOSING AN IMAGING SUSPENSION TO A LIGHT IMAGE IN THE PRESENCE OF AN ELECTRIC FIELD. THE RESULTING IMAGE FORMED IS CONTACTED WITH A SECONDARY SUSPENSION CONTAINING AN ABRASIVE INGREDIENT IN TH PRESENCE OF SAID ELECTRIC FIELD AND EXPOSURE.
Inventors
- 👤 V Tulagin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:13
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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |