U.S. federal trademark · Serial No. 85720235 · Reg. No. 4467378
stainless steel box with a removable front access plate designed with a double locking mechanism which is secured to a tank or to the exterior wall of a building or cabinet, which covers the waste port of a tank used to collect used cooking oil for the sole purpose of preventing the theft of such cooking oil
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.