Okla. Stat. tit. 52, § 52-392: Marked containers or distributing equipment - Use in

selling petroleum products.

It shall be unlawful for a person, firm or corporation, to

store, sell, expose for sale or offer for sale in or from any

container, tank, pump, or other distributing device or equipment,

any other liquid fuels, lubricating oils, grease, or other similar

products, than those manufactured or distributed by the manufacturer

or distributor, indicated by the name, trade name, symbol, sign or

other distinguishing trademark or device appearing upon the tank,

container, pump, or other distributing equipment in which the same

are sold, offered for sale, or distributed.