US PATENT SUBCLASS 101 / 421
.~.~ Friskets

Current as of: June, 1999
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101 /   HD   PRINTING

416.1  DF  ANTISMUT DEVICE {7}
420  DF  .~ Contact preventers {1}
421.~.~ Friskets

DEFINITION

Classification: 101/421

(under subclass 420) Devices in which shields having openings therein are placed over the work, with the portions of the work which are to receive the impressions being in register with openings.