US PATENT SUBCLASS 30 / 422
.~.~.~ Cutter comprising rotatable disc

Current as of: June, 1999
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30 /   HD   CUTLERY

400  DF  CAN OPENER {15}
416  DF  .~ With driven roller to continuously engage bead and relatively rotate can and opener {5}
420  DF  .~.~ Roller drive means causes initial piercing {2}
422.~.~.~ Cutter comprising rotatable disc

DEFINITION

Classification: 30/422

(under subclass 420) Device in which the cutting element is circular about a central axis, includes a cutting edge extending peripherally about the cutting element, and is supported to turn freely about the axis as the cutting edge pierces and traverses the container.