Pieper v. Electro Dental Mfg. Co.
Court of Appeals for the Second Circuit
Appeal from the Circuit Court of the United States for the Southern District of New York. This cause comes here upon appeal from a decree dismissing the bill in an equity suit brought for infringement of two patents. One patent is No. 704,099, issued July 8, 1902 (application filed March 24, 1899) to complainants for “electric motor regulation.” The other is 721,229, issued February 24, 1903 (application filed September 20, 1901), to complainants for a “motor.”
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Appeal from the Circuit Court of the United States for the Southern District of New York. This cause comes here upon appeal from a decree dismissing the bill in an equity suit brought for infringement of two patents. One patent is No. 704,099, issued July 8, 1902 (application filed March 24, 1899) to complainants for “electric motor regulation.” The other is 721,229, issued February 24, 1903 (application filed September 20, 1901), to complainants for a “motor.” The opinion of the Circuit Court will be found in 156 Eed. 672.
1Opinion of the Court
LACOMBE, Circuit Judge.
The specifications of the earlier patent state that the invention—
“relates to electric motors adapted for alternating currents and to certain improvements relating to and means for and method of controlling them, whereby they may be started with the necessary torque, and when the armature is under full speed it can be instantly stopped, and, if desired, its direction of movement reversed, without the use of clutches, brakes, or other mechanical holding devices. The invention, which is designed more particularly for small motors intended for operating dental engines or…
2Cases cited1 opinion
- Electric Ry. Co. v. Jamaica & B. R.District Court, E.D. New York · 1894
3Cited by4 opinions
- Sartain v. Dixie Coal & Iron Co.Tennessee Supreme Court · 1924
- Lowell v. TriplettCourt of Appeals for the Fourth Circuit · 1935
- In re ArensonDistrict Court, D. New Jersey · 1912
- Acme Steel Goods Co. v. American Metal Fasteners Co.District Court, N.D. Illinois · 1913