US PATENT SUBCLASS 355 / 101
.~.~.~ With shutters

Current as of: June, 1999
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355 /   HD   PHOTOCOPYING

78  DF  CONTACT PRINTING {15}
97  DF  .~ Machine (i.e., having at least partly automatic feed) {3}
99  DF  .~.~ With flat exposure station structure {4}
101.~.~.~ With shutters

DEFINITION

Classification: 355/101

(under subclass 99) Subject matter including structure for selectively blocking and unblocking the light path to expose the light sensitive material to photos:graphic light.

(1) Note. See subclass 121 below for a field of search for shutters.