Legal Opinion
Transmatic, Inc. v. Gulton Industries, Inc.
District Court, E.D. Michigan
Decided October 14, 1977No. Civ. No. 75-71145PublishedCited by 2 opinions
1Opinion of the Court
OPINION AND ORDER GRANTING PLAINTIFF’S MOTION FOR SUMMARY JUDGMENT
CORNELIA G. KENNEDY, District Judge.
Plaintiff has brought this action for a declaratory judgment that patent 3210875 (hereafter referred to as “875 patent”) is invalid. Among the grounds asserted for invalidity is that the 875 patent and patent D-201380 (hereinafter referred to as “380 patent”) also owned by defendant, claim a single lighting fixture and that the 875 patent is invalid for double patenting.
Patent 875 is a utility patent on a lighting fixture invented by M. Schwenkler. It was filed on February 5, 1963, and issued…
2Cases cited11 opinions
- Miller v. Eagle Manufacturing Co.Supreme Court of the United States · 1894
- Application of Christian Zickendraht and Arthur BuehlerCourt of Customs and Patent Appeals · 1963
- Application of Luke Thorington, Gerald Schiazzano and Joel ShurganCourt of Customs and Patent Appeals · 1969
- In Re HargravesCourt of Customs and Patent Appeals · 1931
- In re DuboisCourt of Customs and Patent Appeals · 1958
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3Cited by2 opinions
- Wahl v. Rexnord, Inc.District Court, D. New Jersey · 1979
- Transmatic, Inc. v. Gulton Industries, Inc., and Patent License Corp.Court of Appeals for the Sixth Circuit · 1979