US PATENT SUBCLASS 187 / 386
.~.~.~ Frequency based on interval of time

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}
382  DF  .~ Shared by plural load supports {4}
385  DF  .~.~ Dispatches load supports from designated landing {1}
386.~.~.~ Frequency based on interval of time

DEFINITION

Classification: 187/386

Frequency based on interval of time:

(under subclass 385) Subject matter having preexisting service plan which requires the passing of a particular amount of time before an idle load-underlying support surface may travel from the landing*.

(1) Note. The amount of time may either be fixed or changed periodically based on another factor (e.g., time of day).