US PATENT SUBCLASS 400 / 654
.~ Character-size platen (e.g., anvil, disc, etc.)

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

648  DF  PLATEN OR PLATEN-MOVING MECHANISM {5}
654.~ Character-size platen (e.g., anvil, disc, etc.) {1}
655  DF  .~.~> Mounted on movable carrier

DEFINITION

Classification: 400/654

Character-size platen (e.g., anvil, disc, etc.):

(under subclass 648) Subject matter wherein a platen* has length and height dimensions approximating the corresponding width and height dimensions of a character* which is backed by the anvil platen.