Burroughs Adding Mach. Co. v. Felt & Tarrant Mfg. Co.
Court of Appeals for the Seventh Circuit
Appeal from the District Court of the United States for the Eastern Division of the Northern District of Illinois. Suit in equity by the Eelt & Tarrant Manufacturing Company against the Burroughs Adding Machine Company. Decree for complainant, and defendant appeals. Infringement suit on four patents issued to Dorr E. Eelt on calculating machines.
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Appeal from the District Court of the United States for the Eastern Division of the Northern District of Illinois. Suit in equity by the Eelt & Tarrant Manufacturing Company against the Burroughs Adding Machine Company. Decree for complainant, and defendant appeals. Infringement suit on four patents issued to Dorr E. Eelt on calculating machines. The patents are numbered 762,520, 762,521, 767,107, and 960,528, dated, respectively, June 14, 1904, June 14, 1904, August 29, 1904, and June 7, 1910. A reargument was directed by the court, and argument had June 9, 10, and 15, 1916. A rehearing was…
1Opinion of the Court
SANBORN, District Judge.
These patents are for improvements on adding machines, for which Eelt had taken out earlier patents expiring before this suit was begun. The chief question is whether the mechanism employed by defendant, different from that illustrated by the patents in suit, is an infringement. The improvements covered by the patents are many of them meritorious and valuable, and give the machine much greater flexibility and rapidity of action than the earlier forms. As to most of the improvements the Burroughs Company has sufficiently departed from the patented form to escape…
2Cases cited12 opinions
- Continental Paper Bag Co. v. Eastern Paper Bag Co.Supreme Court of the United States · 1908
- Winans v. DenmeadSupreme Court of the United States · 1854
- Snow v. Lake Shore & Michigan Southern Railway Co.Supreme Court of the United States · 1887
- O. H. Jewell Filter Co. v. JacksonCourt of Appeals for the Eighth Circuit · 1905
- State Bank of Chicago v. Hillman'sCourt of Appeals for the Seventh Circuit · 1910
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3Cited by25 opinions
- Kemart Corp. v. Printing Arts Research Laboratories, Inc.Court of Appeals for the Ninth Circuit · 1953
- Flowers v. Austin-Western Co.Court of Appeals for the Seventh Circuit · 1945
- The Texas Company v. Globe Oil & Refining Company, the Texas Company v. Globe Oil & Refining CompanyCourt of Appeals for the Seventh Circuit · 1955
- Weil Pump Co. v. Chicago Pump Co.Court of Appeals for the Seventh Circuit · 1934
- Texas Co. v. Globe Oil & Refining Co.District Court, N.D. Illinois · 1953
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