US PATENT SUBCLASS 400 / 694
.~.~ Made of particular material (e.g., plastic, etc.)

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

679  DF  MEANS AUXILIARY TO TYPEWRITING FUNCTION {12}
691  DF  .~ Frame, casing, or support for typewriter {3}
694.~.~ Made of particular material (e.g., plastic, etc.)

DEFINITION

Classification: 400/694

Made of particular material (e.g., plastic, etc.):

(under subclass 691) Subject matter wherein significance is attributed to the substance which a typewriter frame, casing, or support is manufactured of.