Legal Opinion

Hartford-Empire Co. v. Swindell Bros.

Court of Appeals for the Fourth Circuit

Decided April 21, 1938No. 4273PublishedCited by 28 opinions

1Opinion of the Court

PARKER, Circuit Judge.

This is an appeal in a patent infringement suit involving Mulholland reissue patent, No. 17,263, Ingle patent, No, 1,583,046, and Mulholland patent, No. 1,840,463, all relating to lehrs for the annealing of glassware. The judge below held that, as the patents related to improvements in a crowded art, they should be narrowly construed and that, when so construed, they were not infringed by the lehr of defendants. See Hartford-Empire Co. v. Swindell Bros., D. C, 18 F.Supp. 191.

Annealing is a process of controlled heating and cooling of newly made glassware to eliminate or…

2Cases cited27 opinions

  1. Eibel Process Co. v. Minnesota & Ontario Paper Co.Supreme Court of the United States · 1923
  2. McLean v. FlemingSupreme Court of the United States · 1878
  3. Continental Paper Bag Co. v. Eastern Paper Bag Co.Supreme Court of the United States · 1908
  4. Menendez v. HoltSupreme Court of the United States · 1888
  5. MacHine Co. v. MurphySupreme Court of the United States · 1878

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3Cited by28 opinions

  1. SCA Hygiene Products Aktiebolag v. First Quality Baby Products, LLCSupreme Court of the United States · 2017
  2. Florence-Mayo Nuway Co. v. HardyCourt of Appeals for the Fourth Circuit · 1948
  3. Specialty Equipment & MacHinery Corp. v. Zell Motor Car Co.Court of Appeals for the Fourth Circuit · 1952
  4. Montgomery Ward & Co. v. ClairCourt of Appeals for the Eighth Circuit · 1941
  5. Vincent I. Whitman v. Walt Disney Productions, Inc., a Corporation Walter E. Disney, an Individual John Doe OneCourt of Appeals for the Ninth Circuit · 1958

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