.~ Movable contact electrically adjustable over length of resistance element {21}
119
.~.~ With contact position indicating lamp
DEFINITION
Classification: 338/119
(under subclass 118) Subject matter including a light which is turned on and off in accordance with the adjustment of the movable contact, or whose intensity of illumination is dependent on the adjustment of the movable contact.
(1) Note. Usually the subject matter here includes a switching rheostat, the light indicating whether the switch is open or closed; or a rheostat wherein the illumination of the light varies with the setting of the rheostat.
SEE OR SEARCH THIS CLASS, SUBCLASS:
196, for mechanically variable resistors generally with a resistor actuator position indicator or with a resistor setting indicator.
SEE OR SEARCH CLASS
340, Communications: Electrical,
252, for pilot lights responsive to the condition of electrical apparatus; and subclasses 366+ for visual electric signaling generally.
