US PATENT SUBCLASS 338 / 75
.~ With resistor cleaner

Current as of: June, 1999
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338 /   HD   ELECTRICAL RESISTORS

68  DF  MECHANICALLY VARIABLE (E.G., RHEOSTAT) {24}
75.~ With resistor cleaner

DEFINITION

Classification: 338/75

(under subclass 68) Subject matter including structure, such as a wiper, for removing dirt or other material from the resistor, as from the contacting surfaces of the resistance element or the contact movable thereon.