National Slug Rejectors, Inc. v. A. B. T. Mfg. Corp.
Court of Appeals for the Seventh Circuit
1Opinion of the Court
EVANS, Circuit Judge.
This appeal involves a patent on a “coin selector” issued to Benjamin Fry and num bered 2,292,628, and assigned by Fry to plaintiff.
The District Court materially narrowed the issues when it found that the defendant’s structure infringed claim 21 of the patent. It also found that the invention of plaintiff’s assignor was prior to an invention made by one Patzer, an employee of defendant, whose product was relied upon by defendant to defeat the patent in suit.
The defendant accepts and now offers no challenge to the District Court’s rulings on infringement and priority. Nor…
2Cases cited6 opinions
- The Barbed Wire PatentSupreme Court of the United States · 1892
- Cantrell v. WallickSupreme Court of the United States · 1886
- Mumm v. Jacob E. Decker & SonsSupreme Court of the United States · 1937
- Nordberg Mfg. Co. v. Woolery MacHine Co.Court of Appeals for the Seventh Circuit · 1935
- Chicago Steel Foundry Co. v. Burnside Steel Foundry Co.Court of Appeals for the Seventh Circuit · 1943
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3Cited by36 opinions
- E. I. Du Pont De Nemours & Company v. Berkley and Company, Inc., E. I. Du Pont De Nemours & Company v. Berkley and Company, Inc.Court of Appeals for the Eighth Circuit · 1980
- Armour & Co. v. Wilson & Co., Inc.Court of Appeals for the Seventh Circuit · 1960
- National Rejectors, Inc. v. TriemanSupreme Court of Missouri · 1966
- Application of John A. Nelson and Anthony C. ShabicaCourt of Customs and Patent Appeals · 1960
- Charles Peckat Mfg. Co. v. JacobsCourt of Appeals for the Seventh Circuit · 1950
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