Legal Opinion
Toro Co. v. L. R. Nelson Corp.
District Court, C.D. Illinois
Decided October 19, 1981No. 81-1019PublishedCited by 2 opinions
1Opinion of the Court
DECISION AND ORDER ON MOTION FOR SUMMARY JUDGMENT
ROBERT D. MORGAN, Chief Judge.
Plaintiff, as assignee of Hunter U. S. Patent No. 3,854,664, hereinafter “the patent,” filed its complaint alleging that defendant is infringing claims 12,14 and 15 of the patent. Claim 12 is an independent claim. Both claims 14 and 15 depend from claim 12. Defendant’s answer denied infringement and asserted the invalidity of all the claims in suit.
The patent relates to “pop-up” lawn sprinklers, i. e., sprinkler units embedded in fixed positions in the soil of the area to be sprinkled, in which the nozzles are…
2Cases cited11 opinions
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1949
- Centsable Products, Inc. v. Jerome H. LemelsonCourt of Appeals for the Seventh Circuit · 1979
- Borg-Warner Corporation v. Mall Tool CompanyCourt of Appeals for the Seventh Circuit · 1955
- In re KnowltonCourt of Customs and Patent Appeals · 1973
- Application of John L. Margaroli and Earl J. HesseCourt of Customs and Patent Appeals · 1963
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3Cited by2 opinions
- National Business Systems, Inc. v. AM International, Inc.District Court, N.D. Illinois · 1982
- Toro Company v. L.R. Nelson CorporationCourt of Appeals for the Seventh Circuit · 1984