US PATENT SUBCLASS 400 / 707.4
.~.~.~.~.~ Rotatable scale coaxial with platen cylinder

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}
706  DF  .~.~ For indicating position of line or end-of-page {3}
707  DF  .~.~.~ By means driven from platen cylinder {3}
707.2  DF  .~.~.~.~ Including relatively movable pointer and scale (e.g., rotatable or rectilinearly movable pointer) {2}
707.4.~.~.~.~.~ Rotatable scale coaxial with platen cylinder

DEFINITION

Classification: 400/707.4

Rotatable scale coaxial with platen cylinder:

(under subclass 707.2) Subject matter wherein said calibrated element is moved with a turning motion and wherein the element is located on the same axis as that of the platen*.