US PATENT SUBCLASS 56 / 501
.~ Gathering by air current

Current as of: June, 1999
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56 /   HD   HARVESTERS

500  DF  STALK CHOPPERS {4}
501.~ Gathering by air current

DEFINITION

Classification: 56/501

(under subclass 500) Devices in which there are means for causing a current of air to gather or feed crop material to the means for cutting the same into a plurality of small pieces.