US PATENT SUBCLASS 172 / 151
.~.~.~ Diverse rolling
Current as of:
June, 1999
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172 /
HD
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}
149
DF
.~.~ Including rolling tool {2}
151
.~.~.~ Diverse rolling
DEFINITION
Classification: 172/151
(under subclass 149) Apparatus including two implements having rolling earth working elements of unlike types.
SEE OR SEARCH THIS CLASS, SUBCLASS:
150, and 172, for diverse rolling tools one of which is a smooth leveling roller.
154, for four or more laterally spaced rolling tools which are alternately alike, but successively unlike.
158, for laterally spaced like rolling tools with an intermediate diverse rolling tool.
184+, for other diverse rolling tools.
