Chicago Grain Door Co. v. National Malleable Castings Co.
Court of Appeals for the Sixth Circuit
Appeal from the Circuit Court of the United States for the Northern District of Ohio. Suit in equity for infringement of patent by the Chicago Grain Door Company against the National Malleable Castings Company and A. A. Pope. From a decree dismissing the bill, complainant appeals.
1Opinion of the Court
SEVERENS, Circuit Judge.
The patent of the appellant, for the infringement of which this suit was brought, is No. 527,792, and was granted to Edward A. Hill, October 23, 1894, for an invention by him of improvements in brackets for car doors. The appellant derives his title from him and his assignees. The defenses are that the invention was anticipated by an earlier patent to Eubank, No. 512,467 and a prior use of similar devices by the Eouisville & Nashville Railroad Company, and that the defendants do not infringe. At the hearing upon pleading and proofs, the court held that there was no…
2Cases cited2 opinions
- Bundy Mfg. Co. v. Detroit Time-Register Co.Court of Appeals for the Sixth Circuit · 1899
- D'Arcy v. Staples & Hanford Co.Court of Appeals for the Sixth Circuit · 1908
3Cited by1 opinion
- ADT v. Bay State Optical Co.Court of Appeals for the First Circuit · 1915