G. Leblanc Corporation v. H. & A. Selmer, Inc., G. Leblanc Corporation v. H. & A. Selmer, Inc.
Court of Appeals for the Seventh Circuit
1Opinion of the Court
HASTINGS, Chief Judge.
Plaintiff, G. Leblanc Corporation, brought this action charging defendant, H. & A. Selmer, Inc., with infringement of its patent based upon United States Letters Patent No. 2,627,677, issued to Leon Leblanc on February 10,1953, on an application filed August 19, 1950, for a “Key Mechanism for Alto and Bass Clarinets,” and upon the reissue thereof, Re. 23,725, issued October 20, 1953, on an application filed July 9, 1953.
Plaintiff is a Wisconsin corporation and defendant is an Indiana corporation. Defendant was given written notice of infringement prior to commencement of…
2Cases cited21 opinions
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- Kellogg Co. v. National Biscuit Co.Supreme Court of the United States · 1938
- Armstrong Paint & Varnish Works v. Nu-Enamel Corp.Supreme Court of the United States · 1938
- G. & C. Merriam Co. v. SaalfieldCourt of Appeals for the Sixth Circuit · 1912
- Armour & Co. v. Wilson & Co., Inc.Court of Appeals for the Seventh Circuit · 1960
16 more not listed; retrieve them via the Exa API.
3Cited by30 opinions
- Union Carbide Corporation v. Ever-Ready Incorporated, a Corporation, and Mark Gilbert, an IndividualCourt of Appeals for the Seventh Circuit · 1976
- James Burrough Limited and Kobrand Corporation v. Sign of the Beefeater, Inc., and Montgomery Ward & Co., IncorporatedCourt of Appeals for the Seventh Circuit · 1976
- Walt-West Enterprises, Inc. v. Gannett Company, Inc.Court of Appeals for the Seventh Circuit · 1982
- Heaton Distributing Co., Inc. v. Union Tank Car Company, a CorporationCourt of Appeals for the Eighth Circuit · 1967
- Mott Corporation and C. W. Mott Research Engineers v. Sunflower Industries, Inc. And Owen Murrell CrumpCourt of Appeals for the Tenth Circuit · 1963
25 more not listed; retrieve them via the Exa API.