MARTIN, Judge.
Appellant filed an application serial No. 112,160 on May 15, 1961 for an improvement in the process of spinning hollow filament viscose yarns, which application was a continuation-in-part of an application serial No. 834,673 filed August 19, 1959. The board sustained the examiner's final rejection of all the claims in the case, process claims 1-7, as obvious variations of a combination of two references. That adverse decision is the subject of this...
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