Legal Opinion

Hughes Tool Co. v. International Supply Co.

Court of Appeals for the Tenth Circuit

Decided January 17, 1931No. 129PublishedCited by 17 opinions

1Opinion of the Court

COTTERAL, Circuit Judge.

In this suit, brought by the Hughes Tool Company against the International Supply Company, complaint was made of the infringement of three patents. Those here involved are No. 1,320,384, issued to Godbold and Fletcher, November 4,1919; and the other No. 1,480,014, issued to F. L. Scott, January 8,1924. Claims 3 and 4 of the former and claims 1 to 4, inclusive, of the latter were alleged to be infringed. The defenses were invalidity of the patents and noninfringement. The District Court held the former patent invalid as to both claims, and the latter not infringed as to…

2Cases cited8 opinions

  1. Eibel Process Co. v. Minnesota & Ontario Paper Co.Supreme Court of the United States · 1923
  2. Diamond Rubber Co. of New York v. Consolidated Rubber Tire Co.Supreme Court of the United States · 1911
  3. MacHine Co. v. MurphySupreme Court of the United States · 1878
  4. Sanitary Refrigerator Co. v. WintersSupreme Court of the United States · 1929
  5. New York Life Ins. Co. v. GriffithCourt of Appeals for the Tenth Circuit · 1929

3 more not listed; retrieve them via the Exa API.

3Cited by17 opinions

  1. National Latex Products Company v. Sun Rubber Company, Akron Presform Mold Company v. Sun Rubber CompanyCourt of Appeals for the Sixth Circuit · 1960
  2. Robertson Rock Bit Co. v. Hughes Tool Co.Court of Appeals for the Fifth Circuit · 1949
  3. Chicago Pneumatic Tool Co. v. Hughes Tool Co.Court of Appeals for the Tenth Circuit · 1938
  4. Skinner Bros. Belting Co. v. Oil Well Improvements Co.Court of Appeals for the Tenth Circuit · 1931
  5. Steiner Sales Co. v. Schwartz Sales Co.Court of Appeals for the Tenth Circuit · 1938

12 more not listed; retrieve them via the Exa API.

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