U.S. federal trademark · Serial No. 71511173 · Reg. No. 0441474
OIL USED IN GASOLINE TO LUBRICATE THE CYLINDERS OF AN INTERNAL COMBUSTION ENGINE TO AID IN FORMING A SEAL BETWEEN THE PISTONS AND PISTON RINGS ON THE ONE HAND, AND THE CYLINDER WALLS ON THE OTHER HAND, TO IMPROVE COMPRESSION, AND TO AID IN PREVENTING THE FORMATION OF CARBON DEPOSITS
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