Cross-reference collection in which the metallic* stock-material* or a component* thereof is ferromagnetic, that is, has a high magnetic permeability which varies with the magnetizing force upon it.
(1) Note. See the notes to subclass 611 of this class (428) for loci of related subject matter.
SEE OR SEARCH THIS CLASS, SUBCLASS:
900, for a nonmetallic* product having a magnetic feature.
SEE OR SEARCH CLASS
427, Coating Processes,
131, for processes of applying superposed diverse coatings, or coating a coated base, either base of coating being magnetic.