Legal Opinion
Detroit Stoker Co. v. Brownell Co.
Court of Appeals for the Sixth Circuit
Decided April 7, 1937No. 7020PublishedCited by 28 opinions
1Opinion of the Court
SIMONS, Circuit Judge.
Two patents for under-feed stokers were involved in the infringement suit brought by the appellant. The first was Trotter patent 1,552,968, granted September 8, 1925, and the second Beers patent 1,688,608, granted October 23, 1928. The bill was dismissed. With respect to Trotter no infringement was found, and the claims of Beers were held invalid.
The Trotter invention relates to under-feed stokers of the type in which the green fuel is fed longitudinally of a trough beneath the burning fuel and is gradually elevated into the zone of combustion. While the claims include…
2Cases cited8 opinions
- Grinnell Washing MacHine Co. v. E. E. Johnson Co.Supreme Court of the United States · 1918
- Smith v. Magic City Kennel Club, Inc.Supreme Court of the United States · 1931
- Directoplate Corp. v. Donaldson Lithographing Co.Court of Appeals for the Sixth Circuit · 1931
- Peters v. HansonSupreme Court of the United States · 1889
- Adams v. Galion Iron Works & Mfg. Co.Court of Appeals for the Sixth Circuit · 1930
3 more not listed; retrieve them via the Exa API.
3Cited by28 opinions
- Monroe Auto Equipment Company v. Heckethorn Manufacturing & Supply CompanyCourt of Appeals for the Sixth Circuit · 1964
- Williams Mfg. Co. v. United Shoe MacH. CorporationCourt of Appeals for the Sixth Circuit · 1941
- Allied Wheel Products, Inc. v. RudeCourt of Appeals for the Sixth Circuit · 1953
- United States Gypsum Co. v. Consolidated Expanded Metal CompaniesCourt of Appeals for the Sixth Circuit · 1942
- Ranco, Inc. v. GwynnCourt of Appeals for the Sixth Circuit · 1942
23 more not listed; retrieve them via the Exa API.