US PATENT SUBCLASS 30 / 437
.~.~ With can penetrating pivot

Current as of: June, 1999
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30 /   HD   CUTLERY

400  DF  CAN OPENER {15}
435  DF  .~ Including sweep cutter {3}
437.~.~ With can penetrating pivot {1}
438  DF  .~.~.~> Variable cutter radius {2}

DEFINITION

Classification: 30/437

(under subclass 435) Device in which the pivot point is determined by an element of the device other than the cutting edge, adapted to pierce through the top of the can.