Legal Opinion
Chicago Lock Co. v. Tratsch
Court of Appeals for the Seventh Circuit
Decided July 16, 1934No. 5179, 5180PublishedCited by 23 opinions
1Opinion of the Court
SPARKS, Circuit Judge.
This action was instituted by Walter A. Tratsch and the Monarch Tool & Manufacturing Company against the Chicago Lock Company for infringement of Tratsch patent, No. 1,908,380, issued May 9, 1933, and Louis Hall patent, No. 1,908,752, issued May 16, 193-3. Hall had assigned his entire interest in his patent to the Monarch Company, and Tratsch had assigned one-half interest in his patent to the Monarch Company, and the company had in turn assigned one-half interest in the Hall patent to Tratsch. Both patents relate to a coin slide or coin-controlled device for vending…
2Cases cited9 opinions
- MacHine Co. v. MurphySupreme Court of the United States · 1878
- United States Ozone Co. v. United States Ozone Co. of AmericaCourt of Appeals for the Seventh Circuit · 1932
- D'Arcy Spring Co. v. Marshall Ventilated Mattress Co.Court of Appeals for the Sixth Circuit · 1919
- Adam v. FolgerCourt of Appeals for the Sixth Circuit · 1903
- Western Electric Co. v. Sperry Electric Co.Court of Appeals for the Seventh Circuit · 1893
4 more not listed; retrieve them via the Exa API.
3Cited by23 opinions
- Hunt v. Armour & Co.Court of Appeals for the Seventh Circuit · 1951
- Artmoore Co. v. Dayless Mfg. Co., Inc.Court of Appeals for the Seventh Circuit · 1954
- Wine Ry. Appliance Co. v. Baltimore & OR Co.Court of Appeals for the Fourth Circuit · 1935
- Himmel Bros. Co. v. Serrick CorporationCourt of Appeals for the Seventh Circuit · 1941
- National Rejectors, Inc. v. A. B. T. Mfg. Corp. (Two Cases)Court of Appeals for the Seventh Circuit · 1951
18 more not listed; retrieve them via the Exa API.