US PATENT SUBCLASS 355 / 130
.~.~.~.~ With closing spring bias


Current as of: June, 1999
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355 /   HD   PHOTOCOPYING

78  DF  CONTACT PRINTING {15}
122  DF  .~ Frames {5}
128  DF  .~.~ With platen {2}
129  DF  .~.~.~ Divided platen {1}
130.~.~.~.~ With closing spring bias


DEFINITION

Classification: 355/130

(under subclass 129) Subject matter wherein a spring is provided to maintain the platen in the pressure applying position.