US PATENT SUBCLASS 33 / 620
.~.~.~.~ Plate registration with respect to second plate or printing sheet

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

501  DF  GAUGE {61}
613  DF  .~ Collocating {14}
614  DF  .~.~ Printing member registration {4}
617  DF  .~.~.~ Printing type or plate {4}
620.~.~.~.~ Plate registration with respect to second plate or printing sheet

DEFINITION

Classification: 33/620

Plate registration with respect to second plate or printing sheet:

(under subclass 617) Subject matter having (a) two supported plates having points on each plate in common, or (b) a supported printing plate and a printed sheet having points in common, wherein the gauge contacts the points in common to check the alignment of the two plates or the plate and printed sheet.