US PATENT SUBCLASS 399 / 23
.~.~ Copy medium supply

Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

9  DF  DIAGNOSTICS {13}
16  DF  .~ Document handling {4}
23.~.~ Copy medium supply

DEFINITION

Classification: 399/23

Copy medium supply:

(under subclass 16) Subject matter wherein a means or method is provided for determining the need for replacement of copy medium.