US PATENT SUBCLASS 400 / 642
.~ Including sheet guide (e.g., for sheet insertion, 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.~ Including sheet guide (e.g., for sheet insertion, etc.) {5}
643  DF  .~.~> Platen-encircling band
644  DF  .~.~> Sheet stripper (e.g., for preventing reentry, etc.)
645  DF  .~.~> Sheet holddown member (e.g., "paper-finger", end-of-page holddown, etc.) {5}
646  DF  .~.~> Sheet table at delivery side of platen
647  DF  .~.~> Movable sheet table or apron (e.g., detachable, extensible, etc.) {1}

DEFINITION

Classification: 400/642

Including sheet guide (e.g., for sheet insertion, etc.):

(under subclass 578) Subclass matter wherein significance is attributed to structure on or attached to a typewriter, which structure contributes to or facilitates the movement of a sheet of record-medium* through the typewriter in its intended or necessary path for proper typing on the record-medium.