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APPLICATION OF KROEKEL

Patent Appeal No. 74-535.

504 F.2d 1143 (1974)

Application of Charles Henry KROEKEL and Frederick Andrew Pfaff.

United States Court of Customs and Patent Appeals.

November 7, 1974.

Attorney(s) appearing for the Case

Michael B. Fein, Philadelphia, Pa., attorney of record, for appellants. George W. F. Simmons, Philadelphia, Pa., of counsel.

Joseph F. Nakamura, Washington, D. C., for the Commissioner of Patents. Jack E. Armore, Washington, D. C., of counsel.

Before MARKEY, Chief Judge, and RICH, BALDWIN, LANE and MILLER, Judges.

MARKEY, Chief Judge.

This appeal is from a decision of the Patent Office Board of Appeals which upheld the examiner's rejection of all of appellants' claims under 35 U.S.C. § 112. No appeal was taken with respect to claim 13. The case presents the question of whether a three-component composition claim which recites the amounts for the components as 20 to 80% by weight, 20 to 80% by weight, and 1 to 25% by weight, embracing a theoretical composition having a...

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