Æolian Co. v. Schubert Piano Co.
Court of Appeals for the Second Circuit
Appeal from thé District Court of the United States for the Southern District of New York. Suit in equity by the JEolian Company against the Schubert Piano Company. Decree for defendant, and complainant appeals.
1Opinion of the Court
MANTON, Circuit Judge.
[1] In order that there may be a clear understanding of the patent in suit and its contribution to the art, it is well to consider music sheet guiding devices and the musical instruments, such as the organ or piano, which play automatically and upon which it is used. An automatic piano or organ is constructed by having a series of little motors incorporated therein, each of which is connected to operate one particular action or sound-producing mechanism. One of its features is a tracker bar. This is a smooth piece of metal having a series of little apertures in…
2Cases cited7 opinions
- National Hollow Brake-Beam Co. v. Interchangeable Brake-Beam Co.Court of Appeals for the Eighth Circuit · 1901
- Ide v. Trorlicht, Duncker & Renard Carpet Co.Court of Appeals for the Eighth Circuit · 1902
- Dowagiac Mfg. Co. v. Minnesota Moline Plow Co.Court of Appeals for the Eighth Circuit · 1902
- Edison Electric Light Co. v. Sawyer-Man Electric Co.Court of Appeals for the Second Circuit · 1892
- Autopiano Co. v. American Player Action Co.Court of Appeals for the Second Circuit · 1915
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3Cited by3 opinions
- In Re Kuriappan P. Alappat, Edward E. Averill and James G. LarsenCourt of Appeals for the Federal Circuit · 1994
- In Re Kuriappan P. Alappat, Edward E. Averill and James G. LarsenCourt of Appeals for the Federal Circuit · 1994
- Schubert Piano Co. v. Æolian Co.Court of Appeals for the Second Circuit · 1919