(under subclass 401.2) Processes of manipulating printing-plates so that the desired pressure will be obtained at all portions of the design, also "make-readys" and processes of preparing and using them.
SEE OR SEARCH CLASS
72, Metal Deforming, for the mere straightening of printing-plates.
156, Adhesive Bonding and Miscellaneous Chemical Manufacture,
59, for a method of making a relief or intaglio representation of a three dimensional object.
205, Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions, 67, and 69 for reproduction of surfaces by electrodeposition.