US PATENT SUBCLASS 399 / 140
.~ To produce microimage


Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

130  DF  IMAGE FORMATION {30}
140.~ To produce microimage {1}
141  DF  .~.~> Film process head {1}


DEFINITION

Classification: 399/140

To produce microimage:

(under subclass 130) Subject matter wherein formation of an electrophotos:graphic image is reproduced in miniature (e.g., microfilm or microfiche) on a thin flexible cellulose material.

(1) Note. For example, this subject matter includes multiframe microfiche film that may be used in conjunction with a microphotos:graphic copying machine.

OTHER CLASSIFICATION SYSTEMS:

ipc{2}G03G15/22, for involving the combination of more than one step according to groups G03G 13/02 to 13/20.

epcG03G15/22A2, for machines handling microimages (e.g., microfilm copiers).