US PATENT SUBCLASS 400 / 691
.~ Frame, casing, or support for typewriter

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

679  DF  MEANS AUXILIARY TO TYPEWRITING FUNCTION {12}
691.~ Frame, casing, or support for typewriter {3}
692  DF  .~.~> Having means facilitating interchange of parts
693  DF  .~.~> Housing structure {1}
694  DF  .~.~> Made of particular material (e.g., plastic, etc.)

DEFINITION

Classification: 400/691

Frame, casing, or support for typewriter:

(under subclass 679) Subject matter wherein significance is attributed to (a) that part of the structure which supports movable portions of the typewriter for movement relative thereto, or (b) that part of the structure which encloses or surrounds the typewriter or a portion thereof, or (c) that part of the structure that sustains the typewriter in typing position.