US PATENT SUBCLASS 187 / 389
.~ Includes specific floor selector

Current as of: June, 1999
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187 /   HD   ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE

380  DF  WITH CALL REGISTRATION MEANS {4}
389.~ Includes specific floor selector

DEFINITION

Classification: 187/389

Includes specific floor selector:

(under subclass 380) Subject matter including a particular device for either (a) causing the load-underlying support surface to be stopped at a landing* or (b) signaling an individual controlling the operation of the load-underlying

support surface to stop it at a landing* in response to a request for service.