Legal Opinion

Roth v. Harris

Court of Appeals for the Second Circuit

Decided February 16, 1909No. 148PublishedCited by 8 opinions

Appeal from the Circuit Court of the United States for the Northern District of New York. On appeal from a decree of the Circuit Court for the Northern-District of New York holding valid and infringed letters patent No. '¡'65,240, granted to Adam Hobart, July 19, 1904, for improvements in tune-sheet attachments for auto-pneumatic pianos. The application was filed May 21, 1904. The opinion below is reported in (C. C.) 162 Ted. 160.

1Opinion of the Court

COXE, Circuit Judge.

The invention of Hobart relates to a tune-sheet attachment, which is separable from the piano case and permits tune-sheets to be inserted readily. When the attachment is secured to the case a true engagement is at once established between the tune-sheet and the duct bridge and, simultaneously, the tune-sheet feed roller is intergeared with the driving shaft. The specification states that the invention consists in providing an auto-pneumatic piano, or piano player, with a box containing the tune-sheet and rollers, which is separable from the piano case. When this box is…

2Cases cited5 opinions

  1. The Barbed Wire PatentSupreme Court of the United States · 1892
  2. Morgan v. DanielsSupreme Court of the United States · 1894
  3. Du Bois v. KirkSupreme Court of the United States · 1895
  4. Anderson v. CollinsCourt of Appeals for the Eighth Circuit · 1903
  5. American Writing Mach. Co. v. Wagner Typewriter Co.Court of Appeals for the Second Circuit · 1907

3Cited by8 opinions

  1. United Shoe Machinery Corp. v. MutherCourt of Appeals for the First Circuit · 1923
  2. A. Kimball Co. v. Noesting Pin Ticket Co.Court of Appeals for the Second Circuit · 1919
  3. Wiegand v. Dover Mfg. Co.District Court, N.D. Ohio · 1923
  4. Lambert v. Dempster Bros.District Court, E.D. Tennessee · 1940
  5. American Bank Protection Co. v. Electric Protection Co.U.S. Circuit Court for the District of Minnesota · 1910

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