US PATENT SUBCLASS 172 / 146
.~.~ Four or more
Current as of:
June, 1999
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172 /
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EARTH WORKING
133
DF
DIVERSE TOOLS
{29}
145
DF
.~ Three or more diverse implements following same path (A, B, C, or A, B, A,) {3}
146
.~.~ Four or more {1}
147
DF
.~.~.~
> Alternately diverse (A, B, A, B)
DEFINITION
Classification: 172/146
(under subclass 145) Apparatus in which at least four diverse implements follow the same or overlapping paths.
