US PATENT SUBCLASS 101 / 453
.~ Lithographic printing plates

Current as of: June, 1999
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101 /   HD   PRINTING

130  DF  PLANOGRAPHIC {8}
453.~ Lithographic printing plates {2}
454  DF  .~.~> Including metal support having printing or non-printing surface {4}
460  DF  .~.~> Including paper or cellulosic support having printing or non-printing surface {2}

DEFINITION

Classification: 101/453

(under subclass 130) Articles or devices for printing characterized by having a surface which has a first area of configuration or printing to be reproduced, which first area receives ink to be transferred to other materials, and second areas on said surface which are not to be reproduced, which second areas are not receptive to ink thus failing to transfer ink therefrom to said other material.

(1) Note. The ink-repellent and ink-receptive surface portions are usually in the form of coatings or impregnations which are distinguished as being nonprinting portions (ink repellent) and printing portions (ink-receptive) carried upon a suitable base or support.

SEE OR SEARCH THIS CLASS, SUBCLASS:

395, for a printing plate having surface characteristics other than planos:graphic.

401.1, for a printing blank not restricted to planos:graphic printing.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles, appropriate subclasses for a stock material product in the form of a single or plural layer web or sheet, and especially 195+, for such a product including a discontinuous or differential coating (e.g., design or indicia to be printed) and subclasses 615+ for a product having a metal bonded to a metal, or plural metal layers.