US PATENT SUBCLASS 280 / 186
.~.~ Hitching and controlling devices

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

29  DF  WHEELED {21}
727  DF  .~ Attachment {22}
186.~.~ Hitching and controlling devices {3}
187  DF  .~.~.~> Weight
188  DF  .~.~.~> Ground engaging brake lever
189  DF  .~.~.~> Wheel operated {1}

DEFINITION

Classification: 280/186

(under subclass 727) Devices connected to a vehicle operable to prevent movement of the draft animals when left standing, to stop said draft-animals in case the driver loses control,

and also mechanical devices for guiding and controlling said draft-animals.