US PATENT SUBCLASS 30 / 501
.~.~ Having plural cutting edges
Current as of:
June, 1999
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30 /
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CUTLERY
165
DF
CUTTING TOOLS
{19}
166.3
DF
.~ Saw {15}
501
.~.~ Having plural cutting edges {2}
502
DF
.~.~.~
> Oppositely directed cutting edges
503
DF
.~.~.~
> Simultaneously cutting {1}
DEFINITION
Classification: 30/501
Having plural cutting edges:
(under subclass 166.3) Device including sets of cutting teeth carried on (a) a plurality of blades, or (b) a plurality of sides of a blade.