US PATENT SUBCLASS 355 / 30
.~ With temperature or foreign particle control


Current as of: June, 1999
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355 /   HD   PHOTOCOPYING

18  DF  PROJECTION PRINTING AND COPYING CAMERAS {27}
30.~ With temperature or foreign particle control


DEFINITION

Classification: 355/30

(under subclass 18) Subject matter including means to heat, cool, or ventilate any part of the projection or photographing system; or including means to prevent moisture, dust or other foreign matter from coming in contact with the projection or photographing system or including means to remove such foreign matter from the projection or photographing system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

52, for a copier having means to compensate for dust or scratches on the original.