Trademark Overview
On Tuesday, August 2, 1949, a trademark application was filed for Z-4 with the United States Patent and Trademark Office. The USPTO has given the Z-4 trademark a serial number of 71582869. The federal status of this trademark filing is EXPIRED as of Tuesday, November 3, 1992. This trademark is owned by U. S. CHEMICAL & SUPPLY CO.. The Z-4 trademark is filed in the Chemical Products category with the following description:
OIL USED AS AN ADDITIVE TO GASOLINE FOR INTERNAL COMBUSTION ENGINES FOR THE PURPOSE OF PREVENTING VAPOR LOCKS, STEPPING UP MOTOR PERFORMANCE, AND HOMOGENIZING THE WATER IN THE GAS LINE; LUBRICATING AND PENETRATING OIL FOR LUBRICATING CAR SPRINGS AND CHASIS, ELIMINATING SQUEAKS IN HINGES, SPRINGS AND DOORS, AND FOR FACILITATING LOOSENING OF NUTS AND BOLTS