US PATENT SUBCLASS 188 / 61
.~.~ One-way

Current as of: June, 1999
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188 /   HD   BRAKES

2 R  DF  VEHICLE {19}
33  DF  .~ Railway {15}
61.~.~ One-way

DEFINITION

Classification: 188/61

Brakes designed to prevent retrograde motion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

30, 81, and 127.