Legal Opinion

G. Leblanc Corporation v. H. & A. Selmer, Inc., G. Leblanc Corporation v. H. & A. Selmer, Inc.

Court of Appeals for the Seventh Circuit

Decided December 17, 1962No. 13233_1PublishedCited by 30 opinions

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

  1. Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
  2. Kellogg Co. v. National Biscuit Co.Supreme Court of the United States · 1938
  3. Armstrong Paint & Varnish Works v. Nu-Enamel Corp.Supreme Court of the United States · 1938
  4. G. & C. Merriam Co. v. SaalfieldCourt of Appeals for the Sixth Circuit · 1912
  5. 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

  1. Union Carbide Corporation v. Ever-Ready Incorporated, a Corporation, and Mark Gilbert, an IndividualCourt of Appeals for the Seventh Circuit · 1976
  2. James Burrough Limited and Kobrand Corporation v. Sign of the Beefeater, Inc., and Montgomery Ward & Co., IncorporatedCourt of Appeals for the Seventh Circuit · 1976
  3. Walt-West Enterprises, Inc. v. Gannett Company, Inc.Court of Appeals for the Seventh Circuit · 1982
  4. Heaton Distributing Co., Inc. v. Union Tank Car Company, a CorporationCourt of Appeals for the Eighth Circuit · 1967
  5. 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.

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