APPLICATION OF de SEVERSKY

Patent Appeal No. 8816.

474 F.2d 671 (1973)

Application of Alexander P. de SEVERSKY.

United States Court of Customs and Patent Appeals.

Rehearing Denied April 19, 1973.


Attorney(s) appearing for the Case

Michael Ebert, Atty., of record, New York City, for appellant.

S. Wm. Cochran, Washington, D. C., for the Commissioner of Patents. R. V. Lupo, William H. Beha, Jr., Washington, D. C., of counsel.

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


RICH, Judge.

This appeal is from the decision of the Patent Office Board of Appeals, adhered to on reconsideration, affirming the rejection of claims 1 and 10 of appellant's application serial No. 723,810, filed April 24, 1968, entitled "Multi-Concentric Wet Electrostatic Precipitator," for obviousness under 35 U.S.C. § 103. We affirm.

Generally, the wet precipitator includes two concentric cylinders which define an annular space between them. Contaminated...

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