Trademark Overview
On Tuesday, March 16, 1965, a trademark application was filed for LOK-GARD with the United States Patent and Trademark Office. The USPTO has given the LOK-GARD trademark a serial number of 72214247. The federal status of this trademark filing is EXPIRED as of Saturday, January 21, 1989. This trademark is owned by COASTAL RESEARCH CORPORATION. The LOK-GARD trademark is filed in the Non-Metallic Building Material Products category with the following description:
INTERLOCKING CONCRETE BLOCKS