‘Design’ means only the features of shape, configuration, pattern or ornament or composition of lines or colour or combination thereof applied to any article whether two dimensional or three dimensional or in both forms, by any industrial process or means, whether manual, mechanical or chemical, separate or combined, which in the finished article appeal to and are judged solely by the eye, but does not include any mode or principle or construction or anything which is in substance a mere mechanical device, and does not include any trade mark, as define in clause (v) of sub-section of Section 2 of the Trade and Merchandise Marks Act, 1958, property mark or artistic works as defined under Section 2(c) of the Copyright Act, 1957.