US PATENT SUBCLASS 188 / 113
.~.~.~ Four-wheel

Current as of: June, 1999
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188 /   HD   BRAKES

*  DD  OPERATORS {11}
110  DF  .~ Automatic {3}
*  DD  .~.~ Vehicle {11}
113.~.~.~ Four-wheel

DEFINITION

Classification: 188/113

The brakes are applied to the four wheels of a wagon when the draft-animals hold back.