US PATENT SUBCLASS 116 / 39
.~.~ Pneumatically operated

Current as of: June, 1999
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116 /   HD   SIGNALS AND INDICATORS

28 R  DF  VEHICLE {12}
35 R  DF  .~ Motion and direction {11}
39.~.~ Pneumatically operated

DEFINITION

Classification: 116/39

(under subclass 35) Devices in which the stop or direction signal is operated pneumatically.