IC 009. US 021 023 026 036 038. G & S: Liquid-cooled metal crucibles, electric arc and plasma gas chambers and torches for use in melting, treating, alloying and welding metals; electric power supplies and electrical controllers for metal melting furnaces, and replacement parts therefor. FIRST USE: 19980300. FIRST USE IN COMMERCE: 19980300
IC 011. US 013 021 023 031 034. G & S: furnaces for melting and remelting metals with and without a vacuum surrounding the metal, toxic waste incinerators, vacuum arc remelting furnaces, electron beam furnaces, plasma arc furnaces, vacuum induction melting and casting furnaces, plasma cold hearth melting furnaces, plasma pyrolysis and vitrification furnaces for toxic, hazardous and low-level nuclear waste; and furnaces for producing metal powder. FIRST USE: 19980300. FIRST USE IN COMMERCE: 19980300
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