Legal Opinion
Republic Industries, Inc. v. Schlage Lock Co.
District Court, S.D. Illinois
Decided July 5, 1977No. P-CIV-76-0017PublishedCited by 4 opinions
1Opinion of the Court
DECISION AND ORDER
ROBERT D. MORGAN, Chief Judge.
Plaintiff is the assignee of Slaybaugh Patent No. 3,852,846, which relates to a door holder-closer. It alleges that the Slaybaugh invention achieves a unique combination of two functions in a single unit, namely, multi-point hold-open 1 and monetary manual release. 2
Defendant, through its LCN Division at Princeton, Illinois, in this district, manufactures and sells a door holder-closer which is alleged to infringe Claims 8 and 9 of the Slaybaugh patent. Defendant has filed a counterclaim for a declaratory judgment that the patent is invalid…
2Cases cited27 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- General Electric Co. v. Wabash Appliance Corp.Supreme Court of the United States · 1938
- Anderson's-Black Rock, Inc. v. Pavement Salvage Co.Supreme Court of the United States · 1969
- Sakraida v. Ag Pro, Inc.Supreme Court of the United States · 1976
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3Cited by4 opinions
- Republic Industries, Inc. v. Schlage Lock CompanyCourt of Appeals for the Seventh Circuit · 1979
- Rengo Co. Ltd. And Simon Container MacHinery Limited, in No. 80-2556 v. Molins MacHine Company, Inc., in No. 80-2557Court of Appeals for the Third Circuit · 1981
- Janex Corporation v. Bradley TimeDistrict Court, S.D. New York · 1978
- Rengo Co. Ltd. And Simon Container MacHinery Limited, in No. 80-2556 v. Molins MacHine Company, Inc., in No. 80-2557Court of Appeals for the Third Circuit · 1981