Trademark Overview
On Wednesday, September 25, 1963, a trademark application was filed for GLASS-FLEX with the United States Patent and Trademark Office. The USPTO has given the GLASS-FLEX trademark a serial number of 72177720. The federal status of this trademark filing is EXPIRED as of Sunday, November 18, 1984. This trademark is owned by PITTSBURGH PLATE GLASS COMPANY. The GLASS-FLEX trademark is filed in the Non-Metallic Building Material Products category with the following description:
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