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US3697407A Expired / Lapsed US ⏱️ 0.0 years remaining

Prevention of arcing in an electrode imaging system

Assignee: Xerox Corp
•
Filing: 1969-05-02
•
Granted: 1972-10-10
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Expires: 1989-05-02
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Abstract

Abstract Method and apparatus for eliminating corona arcing between electrodes in an electrophorecti imaging system by introducing a member at the entrance and exit of the nip between adjacent electrodes during the application of an electric field for imaging of an electrophoretic suspension between the electrodes.

Inventors

  • 👤 John M Lacagnina
  • 👤 Robert G Davies

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:28
CPC Classifications
G; G03; G03G; G03G17/00; G03G17/04

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) 1975-10-10 1976-04-10 1976-10-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-10-10 1980-04-10 1980-10-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-10-10 1984-04-10 1984-10-10 $7700.00 Window Closed / Lapsed

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