(under subclass 18) Subject matter including detailed structure to maintain the object to be copied in position while its image is being focused on the photosensitive paper.
(1) Note. This subclass provides for the subcombination of a holder for an original which disclosed as being for use with a copying camera or projection printer while Class 353 provides for a film gate in a device for projecting an image on a viewing screen.
(2) Note. The object to be copied is often designated the original copy or negative and the holder is sometimes called a copyboard.
SEE OR SEARCH THIS CLASS, SUBCLASS:
23, for a reversible holder for copying both sides of a document.
25, for an original holder where the original is a book.
47+, for a holder which holds the original in a curved position. SEE OR SEARCH CLASS
353, Optics: Image Projectors,
23+, and 95+ for an image projector having a film gate.
