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APPLICATION OF LEWIS

Patent Appeal No. 8555.

452 F.2d 1057 (1972)

Application of John R. LEWIS.

United States Court of Customs and Patent Appeals.

January 6, 1972.

Attorney(s) appearing for the Case

Marion C. Staves, Wilmington, Del., atty. of record, for appellant.

S. Wm. Cochran, Washington, D. C., for Comm. of Patents; Fred E. McKelvey, Washington, D. C., of counsel.

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

WORLEY, Chief Judge.

The issue here is whether the Board of Appeals erred in affirming the examiner's rejection under 35 U.S.C. § 103 of claims 1-3 in appellant's patent application1 for "Cellular Polypropylene."

The claimed invention relates to a cross-linked stereoregular polypropylene foam having a uniform cell structure with at least 70% of the cells being closed (not interconnected...

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