US PATENT SUBCLASS 400 / 645.1
.~.~.~ With aperture or notch (e.g., for typing therethrough, etc.)

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

578  DF  SHEET OR WEB (E.G., RECORD-MEDIUM FEEDING MECHANISM) {13}
642  DF  .~ Including sheet guide (e.g., for sheet insertion, etc.) {5}
645  DF  .~.~ Sheet holddown member (e.g., "paper-finger", end-of-page holddown, etc.) {5}
645.1.~.~.~ With aperture or notch (e.g., for typing therethrough, etc.)

DEFINITION

Classification: 400/645.1

With aperture or notch (e.g., for typing therethrough, etc.):

(under subclass 645) Subject matter wherein the member has a hole therethrough or a portion cut out of an edge thereof, which hole or cut-out portion is located adjacent the print-point* of the typewriter and serves to permit a type-face* to impact the record-medium* through the hole or cutout portion.