US PATENT SUBCLASS 187 / 231
.~ Having structure allowing propulsion or steering by walking attendant

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

222  DF  INDUSTRIAL LIFT TRUCK OR REQUIRED COMPONENT THEREOF (E.G., FORKLIFT) {8}
231.~ Having structure allowing propulsion or steering by walking attendant {1}
232  DF  .~.~> With stabilizing outrigger

DEFINITION

Classification: 187/231

Having structure allowing propulsion or steering by walking attendant:

(under subclass 222) Mobile wheeled or tracked apparatus having hand engaged structure used to propel or to direct the course of the mobile apparatus which is positioned in a manner designed to allow a human operator to walk while propelling or directing the apparatus when it travels between horizontally spaced locations.