(under subclass 260) Subject matter wherein at least one of the resistors is of the helical or wound type as defined in subclass 296 below.
SEE OR SEARCH THIS CLASS, SUBCLASS:
263+, and 267+, for single incased, embedded, or housed helical or wound resistors.
296+, for helical or wound resistors generally. See also the Search Notes under this subclass for a more complete field of search for helical or wound resistors.