Trademark Overview
On Saturday, June 24, 1950, a trademark application was filed for COALMASTER with the United States Patent and Trademark Office. The USPTO has given the COALMASTER trademark a serial number of 71599693. The federal status of this trademark filing is EXPIRED as of Monday, October 11, 1993. This trademark is owned by CENTRAL MINE EQUIPMENT COMPANY. The COALMASTER trademark is filed in the Hand Tool Products category with the following description:
DRILL BITS, AUGERS, DRILL HEADS, WEDGES FOR DRILL BITS, COUPLINGS, SHANKS, SOCKETS, AND ADAPTERS FOR DRILLING TOOLS, FISHING TOOLS, WRENCHES, HAMMERS, AND BIT-DRIVERS