Legal Opinion

Honolulu Oil Corp. v. Shelby Poultry Co.

Court of Appeals for the Fourth Circuit

Decided July 24, 1961No. 8237PublishedCited by 10 opinions

1Opinion of the Court

HAYNSWORTH, Circuit Judge.

We are concerned with chicken feathers and their removal during the processing of poultry for marketing. Patents covering an apparatus and a method for removal of the feathers were held by the District Court to be invalid for obviousness in the light of paper patents in other *128fields.1 We think the credit the District Court gave the work of the patentee was less than its due.

Background

Hunt patent No. 2,300,157 issued in 1942 upon an application filed November 16, 1939, covering the first practical apparatus for plucking poultry feathers. It consisted of a rotatable…

2Cases cited10 opinions

  1. Diamond Rubber Co. of New York v. Consolidated Rubber Tire Co.Supreme Court of the United States · 1911
  2. Kenneth Reiner and Frank A. Klaus, Jr., D/B/A Kaynar Company and Kaynar Mfg. Co., Inc. v. I. Leon Co., Inc.Court of Appeals for the Second Circuit · 1960
  3. Hunt v. Armour & Co.Court of Appeals for the Seventh Circuit · 1951
  4. S. H. Kress & Company v. Elie P. Aghnides and Chase Brass & Copper Company, Inc.Court of Appeals for the Fourth Circuit · 1957
  5. Manville Boiler Company, Incorporated v. Columbia Boiler Company of Pottstown, Incorporated, and Columbia Boiler Company, IncorporatedCourt of Appeals for the Fourth Circuit · 1959

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3Cited by10 opinions

  1. Entron on Maryland, Inc. v. Jerrold Electronics CorporationCourt of Appeals for the Fourth Circuit · 1961
  2. Holley v. OUTBOARD MARINE CORPORATIONDistrict Court, N.D. Illinois · 1964
  3. Marvel Specialty Co. v. Bell Hosiery Mills, Inc.District Court, W.D. North Carolina · 1963
  4. Pavement Salvage Co., Inc. v. Anderson's-Black Rock, Inc.Court of Appeals for the Fourth Circuit · 1969
  5. Ab Iro v. Otex, Inc.District Court, D. South Carolina · 1983

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