US PATENT SUBCLASS 355 / 63
.~.~ Vertical optical path

Current as of: June, 1999
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355 /   HD   PHOTOCOPYING

18  DF  PROJECTION PRINTING AND COPYING CAMERAS {27}
55  DF  .~ Focus or magnification control {4}
63.~.~ Vertical optical path

DEFINITION

Classification: 355/63

(under subclass 55) Subject matter where the optical path between the original and the photosensitive paper is vertical.

SEE OR SEARCH THIS CLASS, SUBCLASS:

60, for similar devices where part of the optical path is vertical and part is horizontal with a mirror or prism to change the direction of the optical path.

62, for similar devices which have a scale for indicating the degree of enlargement or if the system is properly focused.