US PATENT SUBCLASS 172 / 762
.~ Specific tool and standard connection

Current as of: June, 1999
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172 /   HD   EARTH WORKING

681  DF  TOOL, STANDARD OR CONNECTION {32}
762.~ Specific tool and standard connection

DEFINITION

Classification: 172/762

(under subclass 681) Apparatus wherein significance is attributed to a means connecting (a) the earth working element to (b) a generally vertically oriented member extending between the element and a beam or frame member.