Legal Opinion
McLouth Steel Corp. v. Cold Metal Products Co.
District Court, E.D. Michigan
Decided September 12, 1956No. Civ. A. No. 9070PublishedCited by 2 opinions
1Opinion of the Court
LEVIN, District Judge.
McLouth Steel Corporation instituted this action for declaratory judgment against the Cold Metal Products Company, seeking to have certain claims of six patents owned by the Cold Metal Products Company, successor in title to the Cold Metal Process Company, declared invalid and void. Cold Metal filed a counterclaim charging infringement of those claims. The patents and claims in suit relate to reversing hot strip mills. They are:
Since the early 1930s McLouth has been a producer of steel strip and in 1949 commenced operation at its Trenton, Michigan plant with a new…
2Cases cited10 opinions
- Loom Co. v. HigginsSupreme Court of the United States · 1882
- Bassick Mfg. Co. v. RM Hollingshead Co.Supreme Court of the United States · 1936
- Mathews Conveyer Co. v. Palmer-Bee Co.Court of Appeals for the Sixth Circuit · 1943
- Bassick Manufacturing Co. v. R. M. Hollingshead Co.Supreme Court of the United States · 1936
- Cold Metal Process Co. v. Republic Steel Corp.Court of Appeals for the Sixth Circuit · 1956
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3Cited by2 opinions
- Juno Online Services, L.P. v. Juno Lighting, Inc.District Court, N.D. Illinois · 1997
- The Cold Metal Products Company v. McLouth Steel CorporationCourt of Appeals for the Sixth Circuit · 1958