Legal Opinion
Sales Affiliates, Inc. v. National Mineral Co.
Court of Appeals for the Seventh Circuit
Decided February 7, 1949No. 9695PublishedCited by 11 opinions
1Opinion of the Court
LINDLEY, District Judge.
Defendant appeals from a judgment holding valid and infringed Winkel patent 2,-051,063, August 18, 1936, and Evans and McDonough reissue patent 22,660, August 7, 1945. It contends that neither patent is valid and that if either is valid, defendant has not infringed.
Each patent has to do with the art of hair curling, especially that involved in creating “permanent” waves. Needless to say, by the very nature of things, this art is of ancient origin. It involves, so far as “permanent” waves are concerned, winding the hair on separate curlers; applying a waving lotion to…
2Cases cited13 opinions
- Cuno Engineering Corp. v. Automatic Devices Corp.Supreme Court of the United States · 1942
- Sanitary Refrigerator Co. v. WintersSupreme Court of the United States · 1929
- Brown v. PiperSupreme Court of the United States · 1875
- Altoona Publix Theatres, Inc. v. American Tri-Ergon Corp.Supreme Court of the United States · 1935
- Singer Manufacturing Co. v. CramerSupreme Court of the United States · 1904
8 more not listed; retrieve them via the Exa API.
3Cited by11 opinions
- Helene Curtis Industries, Inc. v. Sales Affiliates, Inc.District Court, S.D. New York · 1952
- Jeoffroy Mfg., Inc. v. GrahamCourt of Appeals for the Fifth Circuit · 1953
- The University of Illinois Foundation v. Block Drug Co., Amm-I-Dent, Inc., and F. W. Woolworth Co., DefendantsCourt of Appeals for the Seventh Circuit · 1957
- Oriental Foods, Inc. v. Chun King Sales, Inc.Court of Appeals for the Ninth Circuit · 1957
- Falkenberg v. GoldingCourt of Appeals for the Seventh Circuit · 1952
6 more not listed; retrieve them via the Exa API.