US PATENT SUBCLASS 399 / 57
.~.~ Liquid

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


399 /   HD   ELECTROPHOTOGRAPHY

38  DF  CONTROL OF ELECTROPHOTOGRAPHY PROCESS {15}
53  DF  .~ Control of developing {4}
57.~.~ Liquid

DEFINITION

Classification: 399/57

Liquid:

(under subclass 53) Subject matter wherein a liquid level, concentration, or additive is controlled in response to a detected condition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

237+, for liquid development.

OTHER CLASSIFICATION SYSTEMS:

ipc{2}G03G15/10, for using a liquid developer.

jpofiG03G15/10 115, for detecting the liquid developer concentration.

epcG03G15/10D1, for detection or control of the toner (liquid) concentration.