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APPLICATION OF DOEBL

Patent Appeal No. 8006.

404 F.2d 375 (1968)

Application of Hans DOEBL, Kurt Bohrmann and Wilhelm Ruhl.

United States Court of Customs and Patent Appeals.

November 27, 1968.

Attorney(s) appearing for the Case

James E. Bryan, Roy W. Butrum, Washington, D. C., for appellants.

Joseph Schimmel, Washington, D. C. (Jere W. Sears, Washington, D. C., of counsel), for the Commissioner of Patents.

Before WORLEY, Chief Judge, and RICH, SMITH, ALMOND, and BALDWIN, Judges.

WORLEY, Chief Judge.

The Board of Appeals affirmed the examiner's rejection of process claims 1-51 as unpatentable in view of certain prior art. Appellants allege reversible error.

The invention relates to a mixing process for treating plastic materials. The process and associated apparatus are described in the following terms in the specification, which should be read in conjunction with Figure 5 of the appellants' drawings:<...

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