(under subclass 221) Subject matter having a constituent which is a metal in elemental or alloy form (i.e., other than in the form of a chelate, salt, or compound resulting from the chemical reaction of a metal).
(1) Note. Classified here is, for example, a fabric-foam combination wherein (a) the fabric or the foam has been provided with a metal coating, (b) the fabric is composed of a strand comprising elemental metal, or (c) a metal layer having structural integrity has been adhesively associated with the foam and/or fabric layer.