US PATENT SUBCLASS 73 / 122
.~ Slidable platform

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

121  DF  BRAKE TESTING {6}
122.~ Slidable platform

DEFINITION

Classification: 73/122

(under subclass 121) Subject matter in which a vehicle wheel engages a yieldably slidable platform and the brake effect is interpreted by the reactive motion of the platform.