Okla. Stat. tit. 52, § 393

It shall be unlawful for a person, firm or corporation to imitate the design, symbol, emblem, color scheme, trade name, trademark, or the markings of any buildings or equipment of any other marketer of liquids, fuels, lubricating oils, greases or other similar products, except with the written consent of such marketer, where such imitation may deceive, tend to deceive, or have the effect of deceiving the purchaser as to the nature, source, quality or identity of the product sold or offered for sale.