US PATENT SUBCLASS 187 / 391
WITH MONITORING, SIGNALLING, AND INDICATING MEANS


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

391WITH MONITORING, SIGNALLING, AND INDICATING MEANS {2}
392  DF  .~> Monitors passengers
393  DF  .~> Monitors operational parameter {1}


DEFINITION

Classification: 187/391

WITH MONITORING, SIGNALLING, AND INDICATING MEANS:

(under the class definition) Subject matter provided with means which senses or keeps track of a physical condition important to the operation of the elevator and transmits notice of a change in this condition to a communication device designed to inform either an individual or a central processor of the change.

SEE OR SEARCH CLASS

116, Signals and Indicators,

64, for mechanical means for signaling the elevator car from different floors.

362, Illumination,

481, for means for lighting an elevator threshold.

369, Dynamic Information Storage or Retrieval,

21, for control of a dynamic recording or reporting means by a named elevator absent any specific elevator structure or elevator control, and subclass 69 for a recording or reporting device combined with a named elevator absent any specific elevator structure or control.