Legal Opinion
M & R Dietetic Laboratories, Inc. v. Dean Milk Co.
District Court, N.D. Illinois
Decided November 21, 1961No. 55 C 330PublishedCited by 2 opinions
1Opinion of the Court
ROBSON, District Judge.
This suit involves Patent No. 2,503,-866, issued April 11, 1950, on an application filed November 2, 1946.1 The patent concerns a “preparation of a stabilized cream product,” a dried cream2 product usable directly in hot coffee.
A study of the evidence and legal precedent impels the Court to conclude that the process and product claims, claims 1-3 and 15-25 of the patent, are valid when limited to the precise ion exchange process disclosed therein, and the product of that process, is valid when conforming to the specified chemical pro*132portions. The Court is further of the…
2Cases cited52 opinions
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
- Aro Manufacturing Co. v. Convertible Top Replacement Co.Supreme Court of the United States · 1961
- Railway Co. v. SaylesSupreme Court of the United States · 1878
- Altoona Publix Theatres, Inc. v. American Tri-Ergon Corp.Supreme Court of the United States · 1935
- Smith v. SnowSupreme Court of the United States · 1935
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3Cited by2 opinions
- Aircraftsmen, Inc. v. Aircraft Equipment CompanyDistrict Court, S.D. Florida · 1965
- Norvell v. McGraw-Edison Co.District Court, E.D. Wisconsin · 1970