Young v. John McShain, Inc.
Court of Appeals for the Fourth Circuit
1Opinion of the Court
PARKER, Circuit Judge.
This is an appeal in a patent infringement suit involving Young patents Nos. 1,-928,748 and 1,938,887. The defenses were invalidity and non-infringement; and the court below held both patents invalid as to the claims in suit.
Both patents are combination patents relating to concrete floor construction with the use of pre-fabricated concrete joists reinforced with steel. Patent No. 1,928,748 covers the combination of a plurality of pre-cast joists, having top and bottom longitudinal reinforcements with cross sheer strands welded thereto, and a floor slab of concrete which…
2Cases cited11 opinions
- Atlantic Works v. BradySupreme Court of the United States · 1883
- Hailes v. Van WormerSupreme Court of the United States · 1874
- Powers-Kennedy Contracting Corp. v. Concrete Mixing & Conveying Co.Supreme Court of the United States · 1930
- Richards v. Chase Elevator Co.Supreme Court of the United States · 1895
- Heald v. RiceSupreme Court of the United States · 1882
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3Cited by15 opinions
- S.A. Andes v. Versant Corporation, and First Washington Investments Corporation and Thomas F. HerrCourt of Appeals for the First Circuit · 1986
- Ockert v. Union Barge Line Corp.Court of Appeals for the Third Circuit · 1951
- Westwood Chemical, Inc. v. Owens-Corning Fiberglas CorporationCourt of Appeals for the Sixth Circuit · 1971
- Piedmont Interstate Fair Ass'n v. BeanCourt of Appeals for the Fourth Circuit · 1954
- Dome Laboratories v. Farrell Ex Rel. FarrellAlaska Supreme Court · 1979
10 more not listed; retrieve them via the Exa API.