US PATENT SUBCLASS 400 / 702
.~.~ By contacting type-face (e.g., via type-face cleaner, brush, etc.)

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

679  DF  MEANS AUXILIARY TO TYPEWRITING FUNCTION {12}
701  DF  .~ Means for cleaning, or facilitating cleaning of, type-face {1}
702.~.~ By contacting type-face (e.g., via type-face cleaner, brush, etc.) {1}
702.1  DF  .~.~.~> Including means for moving brush

DEFINITION

Classification: 400/702

By coating type-face (e.g., via type-face cleaner, brush, etc.):

(under subclass 701) Subject matter wherein the extraneous matter is removed by rubbing a type-face relative to an element that cleans the type-face.

(1) Note. In this subclass the cleaner is usually a liquid that is usually carried by a ribbon* or sheet which is impacted by the type-face or is a brush having bristles, past which brush the type-face* moves.