(under subclass 18) Subject matter including process steps for use in projecting an image of the subject matter on an original sheet or film strip onto a photosensitive paper to make a copy of the original.
SEE OR SEARCH THIS CLASS, SUBCLASS:
132, for contact printing methods in general.
SEE OR SEARCH CLASS
353, Optics: Image Projectors,
121, for a method of projecting an image on a viewing screen.
399, Electrophotography, subject matter under 130+, for methods of forming images electrophotos:graphically.
