Trademark Overview
On Friday, February 13, 1948, a trademark application was filed for PRFK with the United States Patent and Trademark Office. The USPTO has given the PRFK trademark a serial number of 71549656. The federal status of this trademark filing is EXPIRED as of Tuesday, November 3, 1992. This trademark is owned by PENNSYLVANIA SALT MANUFACTURING COMPANY,THE. The PRFK trademark is filed in the Vehicles & Locomotive Products category with the following description:
MATERIAL OF CONSTRUCTION OF THE NATURE OF SELF-HARDENING ORGANIC RESIN COMPOSITION, USED AS A BONDING CEMENT FOR ACID-PROOF BRICK OR TILE, AND INGREDIENTS FOR PREPARING SUCH CEMENT, INCLUDING AN ACID-SETTABLE ORGANIC RESINOUS REACTION MIXTURE, AND A SEPARATE COMPOSITION THAT INCLUDES A SETTING AGENT FOR SAID RESINOUS REACTION MIXTURE