U.S. federal trademark · Serial No. 78160499
A valve fitted with an OPD (Overfill Protection Device)that is attached to a 20 Pound propane cylinder (can also be used in 30 LB cylinders) to control the flow of propane both when filling the cylinder and when using the cylinder
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.