Trademark Overview
On Tuesday, March 9, 1948, a trademark application was filed for PERMANENTE with the United States Patent and Trademark Office. The USPTO has given the PERMANENTE trademark a serial number of 71551582. The federal status of this trademark filing is EXPIRED as of Tuesday, November 3, 1992. This trademark is owned by PERMANENTE METALS CORPORATION, THE. The PERMANENTE trademark is filed in the Non-Metallic Building Material Products category with the following description:
LIME, DOLOMITE AND MAGNESIA BUILDING CEMENTS FOR USE IN THE REFRACTORY LININGS OF INDUSTRIAL FURNACES; CALCINED MAGNESIA REFRACTORIES FOR USE AS MORTARS AND RAMMING MIXES IN METALLURGICAL FURNACES AND OTHER HIGH TEMPERATURE FURNACES REQUIRING REFRACTORY LININGS AND CHROME ORE FOR USE IN METALLURGICAL FURNACES