Trademark Overview
On Tuesday, April 19, 1955, a trademark application was filed for PRONG-LOK with the United States Patent and Trademark Office. The USPTO has given the PRONG-LOK trademark a serial number of 71685867. The federal status of this trademark filing is EXPIRED as of Monday, April 7, 1997. This trademark is owned by STOFFEL SEALS CORPORATION. The PRONG-LOK trademark is filed in the Jewelry Products category with the following description:
BASE METAL SEALS AND SEALS MADE FROM PLASTIC MATERIAL TO BE APPLIED TO CORD, STRINGS, RIBBONS OR WIRE ON CONTAINERS NAMELY, BARRELS, SACKS, BAGS, CRATES, BOXES, GAS AND GASOLINE METERS, PRECISION PARTS FOR AIRCRAFT