US PATENT SUBCLASS 56 / 503
.~ Rotating on vertical axis

Current as of: June, 1999
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56 /   HD   HARVESTERS

500  DF  STALK CHOPPERS {4}
503.~ Rotating on vertical axis

DEFINITION

Classification: 56/503

(under subclass 500) Devices in which the crop cutting means rotates about an axis which is perpendicularly disposed relative to the ground.