Legal Opinion
Wallace v. Mandel Bros.
Court of Appeals for the Seventh Circuit
Decided December 12, 1947No. 9261PublishedCited by 6 opinions
1Opinion of the Court
LINDLEY, District Judge.
Plaintiff, owner of the Wallace and Hand patent No. 2,236,387 applied for May 3, 1938, issued March 25, 1941, appeals from a judgment of invalidity of Claims 1 to 6, 8 to 13, 15 and 16 inclusive. The District Court found that if the claims are valid, defendant infringes.
The patentees claimed “a perspiration inhibiting composition” of a liquid “solution of aluminum sulfate” or, as an alternative, “aluminum chloride,” both well known and long used in anti-perspirant compositions in liquid form, to which they added a new element, urea (carbamide), as they said, as “a…
2Cases cited15 opinions
- Smith v. SnowSupreme Court of the United States · 1935
- Naylor v. Alsop Process Co.Court of Appeals for the Eighth Circuit · 1909
- General Electric Co. v. Laco-Philips Co.Court of Appeals for the Second Circuit · 1916
- Copeman Laboratories Co. v. General Plastics Corp.Court of Appeals for the Seventh Circuit · 1945
- A. J. Deer Co. v. U. S. Slicing MacH. Co.Court of Appeals for the Seventh Circuit · 1927
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3Cited by6 opinions
- Allied Wheel Products, Inc. v. RudeCourt of Appeals for the Sixth Circuit · 1953
- Mandel Brothers, Inc. v. WallaceSupreme Court of the United States · 1948
- Baldwin-Lima-Hamilton Corp. v. Tatnall Measuring Systems Co.District Court, E.D. Pennsylvania · 1958
- Printing Plate Supply Co. v. Crescent Engraving Co.District Court, W.D. Michigan · 1965
- Diversified Products Corp. v. Sports Stores, Inc.District Court, D. Maryland · 1968
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