US PATENT SUBCLASS 30 / 369
.~.~ Including contiguous oppositely moving blade portions

Current as of: June, 1999
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30 /   HD   CUTLERY

165  DF  CUTTING TOOLS {19}
166.3  DF  .~ Saw {15}
369.~.~ Including contiguous oppositely moving blade portions

DEFINITION

Classification: 30/369

(under subclass 166.3) Device comprising two or more blades in side-by-side contact throughout the extent of their cutting-span, with each blade moving in a direction counter to the movement of the next adjacent blade, said blades cooperating to form a single kerf.