(815 ILCS 395/1) (from Ch. 121 1/2, par. 138)
    Sec. 1. In this Act, unless the context otherwise requires:
    (1) The term "article" means any article of merchandise, and includes any portion of such article, whether a distinct part thereof or not (including every part thereof whether or not separable and also including material for manufacture).
    (2) The terms "platinum," "iridium," "palladium," "ruthenium," "rhodium," and/or "osmium" include any alloy or alloys of any one or more of said metals.
    (3) The term "mark" means any mark, sign, device, imprint, stamp, or brand applied to any article, or to any tag, card, paper, label, box, carton, container, holder, package, cover, or wrapping attached to, used in conjunction with, or inclosing such article, or any bill, bill of sale, invoice, statement, letter, circular, advertisement, notice, memorandum or other writing or printing.
    (4) The terms "apply" and "applied" include any method or means of application or attachment to, or of use on, or in connection with, or in relation to, an article whether such application, attachment, or use is to, on, by, in, or with:
    (a) The article itself; or
    (b) Anything attached to the article; or
    (c) Anything to which the article is attached; or
    (d) Anything in or on which the article is; or
    (e) Anything so used or placed as to lead to a reasonable belief that the mark on that thing is meant to be taken as a mark on the article itself.
    (5) The term "quality mark" means any mark as herein defined indicating, describing, identifying or referring to or appearing or seeming or purporting to indicate, describe, identify or refer to the partial or total presence or existence of, or the quality of, or the percentage of, or the purity of, or the number of parts of platinum, iridium, palladium, ruthenium, rhodium, and/or osmium in any article.
(Source: Laws 1927, p. 783.)