Trademark Overview
On Monday, October 30, 1961, a trademark application was filed for SHELL-LOK with the United States Patent and Trademark Office. The USPTO has given the SHELL-LOK trademark a serial number of 72130919. The federal status of this trademark filing is EXPIRED as of Saturday, August 29, 1987. This trademark is owned by LALLY BROS, COMPANY. The SHELL-LOK trademark is filed in the Non-Metallic Building Material Products category with the following description:
PREFABRICATED FIREPROOF BUILDING CONSTRUCTION COLUMNS