US PATENT SUBCLASS 172 / 249
.~ Plural simultaneously usable tools to single tool

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

245  DF  CONVERTIBLE; OR CHANGEABLE BY DISASSEMBLY OR ASSEMBLY {5}
249.~ Plural simultaneously usable tools to single tool

DEFINITION

Classification: 172/249

(under subclass 245) Apparatus which is changeable between a

condition in which it has a plurality of spaced earth working elements to a condition in which the plurality if elements have been joined or juxtaposed to form a part of a single earth working element.