US PATENT SUBCLASS 270 / 5.03
.~.~.~.~ Slitting or perforating

Current as of: June, 1999
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270 /   HD   SHEET-MATERIAL ASSOCIATING

1.01  DF  WITH PRINTING {5}
4  DF  .~ Associating and folding, with rotary printer {5}
5.01  DF  .~.~ Longitudinal web folding {3}
5.02  DF  .~.~.~ Cutting {1}
5.03.~.~.~.~ Slitting or perforating

DEFINITION

Classification: 270/5.03

Slitting or perforating:

(under subclass 5.02) Subject matter wherein the cutting device is (a) making a long narrow cut or incision in the web, or (b) piercing or punching a hole in the web.