Legal Opinion

Johnston v. Atlas Mineral Products Co.

Court of Appeals for the Sixth Circuit

Decided February 7, 1944No. 9526PublishedCited by 7 opinions

1Opinion of the Court

HICKS, Circuit Judge.

Suit under the Declaratory Judgment Act. Sec. 274d of the Judicial Code, 28 U.S.C.A. § 400.

Appellant, James C. Johnston, was the patentee-owner of Patent No. 1,979,470 for a “Method of Joining Bell and Spigot Pipe Sections.” The patent was previously adjudged valid and infringed in a suit by Johnston’s licensees against certain users of products manufactured by The Atlas Mineral Products Company of Pennsylvania, appellee here and herein called Atlas. See Universal Sewer Pipe Corp. et al. v. General Constr. Co. et al. D.C., 42 F.Supp. 132. That suit, herein called the…

2Cases cited7 opinions

  1. Mercoid Corp. v. Mid-Continent Investment Co.Supreme Court of the United States · 1944
  2. Aluminum Co. of America v. Thompson Products, Inc.Court of Appeals for the Sixth Circuit · 1941
  3. Stubnitz-Greene Spring Corp. v. Fort Pitt Bedding Co.Court of Appeals for the Sixth Circuit · 1940
  4. Sandusky Foundry & Machine Co. v. De LavaudCourt of Appeals for the Sixth Circuit · 1921
  5. Universal Sewer Pipe Corp. v. General Const. Co.District Court, N.D. Ohio · 1941

2 more not listed; retrieve them via the Exa API.

3Cited by7 opinions

  1. Wells v. Universal Pictures Co.Court of Appeals for the Second Circuit · 1948
  2. Bergman v. Aluminum Lock Shingle Corp. of AmericaCourt of Appeals for the Ninth Circuit · 1957
  3. Bergman v. Aluminum Lock Shingle Corporation Of AmericaCourt of Appeals for the Ninth Circuit · 1958
  4. United States v. CaliforniaDistrict Court, E.D. California · 1981
  5. United States v. State of Cal.District Court, E.D. California · 1982

2 more not listed; retrieve them via the Exa API.

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