US PATENT SUBCLASS 338 / 31
.~.~ Mechanically adjustable or variable

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

13  DF  RESISTANCE VALUE RESPONSIVE TO A CONDITION {10}
25  DF  .~ Ambient temperature {4}
31.~.~ Mechanically adjustable or variable

DEFINITION

Classification: 338/31

(under subclass 25) Subject matter including a mechanically adjustable or variable resistor as defined in subclass 68 below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

68+, for mechanically adjustable or variable resistors generally.