Legal Opinion

D.M.I., Inc. v. Deere & Co.

Court of Appeals for the Federal Circuit

Decided March 4, 1985No. Appeal 84-1475PublishedCited by 188 opinions

1Opinion of the Court

MARKEY, Chief Judge.

D.M.I., Inc. (DMI) appeals from a grant of summary judgment of noninfringement by the United States District Court for the Central District of Illinois. We reverse and remand.

Background

DMI sued Deere & Company (Deere) for infringement of U.S. Patent 3,817,333 (’333 patent). The patent discloses and claims a plow system with means for adjusting the spacing of plow units while the plow is moving. Claims 1 and 8 are the only independent claims of the ’333 patent.

Claim 1 contains this limitation:

said steering means including compensating means for maintaining said steering…

2Cases cited11 opinions

  1. Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
  2. Barmag Barmer Maschinenfabrik Ag v. Murata MacHinery Ltd., and Murata of America, Inc.Court of Appeals for the Federal Circuit · 1984
  3. Howard A. Fromson v. Advance Offset Plate, Inc., Graphcoat, Inc., News Publishing Company of Framingham, Newspapers of New England, Inc.Court of Appeals for the Federal Circuit · 1983
  4. Raytheon Company, Appellee/cross-Appellant v. Roper Corporation, Appellant/cross-AppelleeCourt of Appeals for the Federal Circuit · 1983
  5. Union Carbide Corporation v. American Can CompanyCourt of Appeals for the Federal Circuit · 1984

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

3Cited by188 opinions

  1. Sri International v. Matsushita Electric Corporation of America and Matsushita Electric Industrial Co., Ltd.Court of Appeals for the Federal Circuit · 1985
  2. Liebel-Flarsheim Company and Mallinckrodt Inc. v. Medrad, Inc., Defendant-CrossCourt of Appeals for the Federal Circuit · 2004
  3. Pennwalt Corporation, Appellant/cross-Appellee v. Durand-Wayland, Inc., Appellee/cross-AppellantCourt of Appeals for the Federal Circuit · 1987
  4. Loctite Corporation, Appellant/cross-Appellee v. Ultraseal Ltd., Appellees/cross-AppellantsCourt of Appeals for the Federal Circuit · 1985
  5. Constant v. Advanced Micro-Devices, Inc.Court of Appeals for the Federal Circuit · 1988

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

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