US PATENT SUBCLASS 187 / 290
.~.~.~.~ With auxiliary supply of electricity

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

250  DF  HAVING SPECIFIC LOAD SUPPORT DRIVE-MEANS OR ITS CONTROL {6}
276  DF  .~ Includes control for power source of drive-means {6}
277  DF  .~.~ With specific electrical component {9}
289  DF  .~.~.~ For electric power source {5}
290.~.~.~.~ With auxiliary supply of electricity

DEFINITION

Classification: 187/290

With auxiliary supply of electricity:

(under subclass 289) Subject matter provided with an alternate or reserve supply (e.g., battery) of electric current for powering the control* or force generating means upon failure or reduction in the primary supply of electric current.