US PATENT SUBCLASS 399 / 92
.~ Forced air circulation


Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

91  DF  INTERNAL MACHINE ENVIRONMENT {4}
92.~ Forced air circulation {1}
93  DF  .~.~> Having filtering (e.g., ozone removal)


DEFINITION

Classification: 399/92

Forced air circulation:

(under subclass 91) Subject matter wherein a means or method is provided for generating air flow within the electrophotos:graphic device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

343, for cleaning an imaging member by air or vacuum.

355, for air circulation used in conjunction with a cleaning brush.

OTHER CLASSIFICATION SYSTEMS:

ipc{2}G03G21/20, for humidity or temperature control.

jpofiG03G21/00 538, for removal of unnecessary substances from atmospheric air. jpofiG03G21/00 540, for ozone evaluation.