US3553708A
Expired / Lapsed
US
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Recording apparatus and method employing photoelectroviscous ink
Assignee: Xerox Corp
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Filing: 1968-02-21
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Granted: 1971-01-05
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Expires: 1988-02-21
Abstract
Abstract A METHOD AND APPARATUS FOR IMAGE RECORDING BY THE USE OF A PHOTOELECTROVISCOUS FLUID FORMED OF A SHEET DIELECTRIC LIQUID CONTAINING ORGANIC PHOTOCONDUCTIVE PIGMENTS IS DISCLOSED. THE FLUID IS MAINTAINED UNDER PRE
Inventors
- 👤 Leonard M Carreira
- 👤 Vsevolod S Mihajlov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:59
CPC Classifications
G; G01; G01D; G01D15/00; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/015; B41J2/04; B41J2/435; B41J2/475; B41J2/48; G03; G03G; G03G15/00; G03G15/22; G03G15/34
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |