GRAHAM, Presiding Judge.
The appellant filed an application in the United States Patent Office for a patent upon alleged improvements in the process of treating hydrocarbon gases and vapors to obtain carbon black, acetylene, and hydrogen. The Primary Examiner rejected claims 25, 26, 28, and 32 to 37, inclusive, all the claims in the case, relying upon the following references:
Brownlee et al., 1,276,487, August 20, 1918.
Spear et al., 1,794,558, March...
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