765 ILCS 1045/3
Any person who uses in this State a name, mark or device to indicate ownership of articles or supplies as defined in this Act may file in the office of the Secretary of State, on a form to be furnished or approved by him, a verified statement setting forth, but not limited to, the following information:
(c) The type of articles or supplies in connection with which the name, mark or device is used.
The statement shall include or be accompanied by 3 copies, specimens, facsimiles or counterparts of such name, mark or device, and a filing fee of $10.
(from Ch. 140, par. 103)
(Source: Laws 1967, p. 1405.)