US PATENT SUBCLASS 101 / 93.23
.~.~.~.~ Having skewed or helically spaced print characters

Current as of: June, 1999
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101 /   HD   PRINTING

45  DF  SELECTIVE OR PROGRESSIVE {10}
93  DF  .~ Bed and platen machines {19}
93.18  DF  .~.~ With printing type carried on rotatable member {3}
93.21  DF  .~.~.~ Rotating axis parallel to print line {6}
93.23.~.~.~.~ Having skewed or helically spaced print characters

DEFINITION

Classification: 101/93.23

(under subclass 93.21) Apparatus in which either (1) the print characters are spirally arranged over the circumference of the rotatable print character carrying member or (2) like print characters in axially spaced column of print characters are circumferentially spaced on the rotating member.