US PATENT SUBCLASS 400 / 709.1
.~.~.~ By transparent indicator

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

679  DF  MEANS AUXILIARY TO TYPEWRITING FUNCTION {12}
703  DF  .~ Indicator means {7}
709  DF  .~.~ For aligning record-medium with print-point or print-line (e.g., for facilitating correction of error, etc.) {2}
709.1.~.~.~ By transparent indicator

DEFINITION

Classification: 400/709.1

By transparent indicator:

(under subclass 709) Subject matter wherein said device has the capability of transmitting light therethrough, whereby a character* on a record-medium* may be seen through the device.