US PATENT SUBCLASS 188 / 239
.~.~.~ Superposed

Current as of: June, 1999
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188 /   HD   BRAKES

*  DD  ELEMENTS {6}
234  DF  .~ Shoe fasteners {7}
238  DF  .~.~ Multiple shoes {2}
239.~.~.~ Superposed

DEFINITION

Classification: 188/239

The shoes are placed one over another, so that the back shoe is a holder to the one at the face.