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MANTLE LAMP CO. v. ALUMINUM CO.

No. 765.

301 U.S. 544 (1937)

MANTLE LAMP CO. v. ALUMINUM PRODUCTS CO.

Supreme Court of United States.

Decided May 24, 1937.

Attorney(s) appearing for the Case

Mr. George I. Haight, with whom Messrs. W.H.F. Millar and M.K. Hobbs were on the brief, for petitioner.

Mr. William N. Cromwell for respondent.

MR. JUSTICE ROBERTS delivered the opinion of the Court.

This is a suit for infringement of Claims 1, 3 to 14, inclusive, 17, 18, and 21 to 24, inclusive, of the Blair Patent No. 1,435,199 for a heat-insulated receptacle. The District Court held all of the claims invalid by reason of lack of invention, prior invention, anticipation, as being for an aggregation and as involving only mechanical skill. That court further limited the claims to the particular structure...

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