US PATENT SUBCLASS 355 / 116
.~.~ Foot-operated platen or shutter

Current as of: June, 1999
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355 /   HD   PHOTOCOPYING

78  DF  CONTACT PRINTING {15}
113  DF  .~ Light boxes {8}
116.~.~ Foot-operated platen or shutter

DEFINITION

Classification: 355/116

(under subclass 113) Subject matter wherein the platen or shutter of the light box is foot operated (e.g., with a treadle).

(1) Note. For other shutters see the field of search appended to the definition of subclass 121.