Description: Class 6: Steel pinning rods; chain hoist used for lifting and rigging; railroad accessories in the form of metal ladders; railroad accessories in the form of door latch bars of metal
Class 7: Steel drilling tools, namely, earth augers, shanks for power drill bits, roof bolt power-driven wrenches, roof bolt power-driven socket wrenches, chucks for power drills, power drill bit extensions of metal or resin, and shaft couplings for machines; mechanical seals, namely, water seals; shaft couplings for machines, namely, torque shafts; shaft couplings for machines, namely, conveyor shafts; shaft couplings for machines, namely, cutter boom pins; bushings for use as parts of machines, namely, cutter boom bushings; power-operated hoists, namely, lever block and chain block hoists; snow plow blades; grader blades; carbide machine parts, namely, wear plates and strips
Class 8: Hand tools, namely, mining hammers; mining tools, namely, hand tools in the nature of bit pullers, hand tools in the nature of brick hammers, and scaling knives; steel drilling hand tools, namely, augers; steel drilling shanks for hand drill bits; steel drilling hand tools, namely, roof bolt wrenches; steel drilling hand tools, namely, roof bolt socket wrenches; steel drilling tools, namely, chucks for hand-operated tools
Class 40: Manufacture of machined parts, manufacture of carbide wear parts
