Legal Opinion
Hughes Tool Company v. Ingersoll-Rand Company
Court of Appeals for the Fifth Circuit
Decided March 17, 1971No. 28704_1PublishedCited by 12 opinions
1Opinion of the Court
GODBOLD, Circuit Judge:
Hughes Tool sued Ingersoll-Rand charging infringement of Claims 3 and 7 of plaintiff’s United States patent, which is Kelly, No. 3,185,228, directed to a bit for use in percussion drilling. 1 The District Court found that IngersollRand had infringed as charged but also held the Kelly patent invalid for anticipation under 35 U.S.C. § 102 and for obviousness under 35 U.S.C. § 103. Additionally, the court held Claim 3 invalid because of its being vague, indefinite and uncertain. 2 We affirm on the finding that the Kelly patent was anticipated by Brown, No. 2,725,216, the…
2Cases cited15 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
- Anderson's-Black Rock, Inc. v. Pavement Salvage Co.Supreme Court of the United States · 1969
- Dow Chemical Co. v. Halliburton Oil Well Cementing Co.Supreme Court of the United States · 1945
- McCullough Tool Co. v. Well Surveys, Inc.Court of Appeals for the Tenth Circuit · 1965
10 more not listed; retrieve them via the Exa API.
3Cited by12 opinions
- Louis W. Parker, Plaintiff-Appellee-Cross v. Motorola, Inc., Defendant-Appellant-CrossCourt of Appeals for the Fifth Circuit · 1975
- Greenberg v. Croydon Plastics Co., Inc.District Court, E.D. Pennsylvania · 1974
- Peter M. Roberts v. Sears, Roebuck & Co.Court of Appeals for the Seventh Circuit · 1984
- The Laitram Corporation v. Deepsouth Packing Co., Inc.Court of Appeals for the Fifth Circuit · 1971
- Van Gorp Manufacturing, Inc. v. Townley Industrial Plastics, Inc.Court of Appeals for the Fifth Circuit · 1972
7 more not listed; retrieve them via the Exa API.