ROBB, Associate Justice.
Appeal from a decision of the Patent Office in an interference proceeding awarding priority as to counts 1 to 5, inclusive, to the party Collins, and on count 6 to the parties Muhlfeld and Caracristi.
The invention covers a process and device for burning pulverized coal in a furnace. Theretofore considerable difficulty had been experienced through the formation of a molten mass of slag at the bottom of the pit, which was difficult...
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