US PATENT SUBCLASS 188 / 31
.~ Positive lock

Current as of: June, 1999
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188 /   HD   BRAKES

2 R  DF  VEHICLE {19}
31.~ Positive lock

DEFINITION

Classification: 188/31

Brakes for nonrail vehicles that positively stop rotation.

(1) Note. Parallel subclasses will be found in subclasses 60 and 69 below.