Legal Opinion
ESCO CORPORATION v. Tru-Rol Company, Inc.
District Court, D. Maryland
Decided December 21, 1972No. Civ. 71-912-MPublishedCited by 4 opinions
1Opinion of the Court
JAMES R. MILLER, Jr., District Judge.
This is an action for infringement of U. S. Patent No. 2,919,506, which was issued on January 5, 1960, and is owned by the plaintiff, Esco Corporation. 1 The patent in suit relates to excavating teeth and base supports therefor of the type used on power-driven equipment such as excavating and loading buckets, dippers, scoops and scarifiers. The base supports, known in the trade as adapters, are bolted to the power-driven equipment, and the teeth, also known in the trade as points, are detachably connected to the adapters. 2 The defendant, the Tru-Rol…
2Cases cited31 opinions
- International Shoe Co. v. WashingtonSupreme Court of the United States · 1945
- United States v. AdamsSupreme Court of the United States · 1966
- Seymour v. OsborneSupreme Court of the United States · 1871
- Sanitary Refrigerator Co. v. WintersSupreme Court of the United States · 1929
- Mumm v. Jacob E. Decker & SonsSupreme Court of the United States · 1937
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3Cited by4 opinions
- Moody v. MoodyCourt of Civil Appeals of Alabama · 1976
- St. Regis Paper Co. v. Winchester Carton Corp.District Court, D. Massachusetts · 1976
- Ab Iro v. Otex, Inc.District Court, D. South Carolina · 1983
- Oxy Metal Industries Corp. v. Roper Corp.District Court, D. Maryland · 1984