Legal Opinion
Copeman Laboratories Co. v. Norge Division of Borg-Warner Corp.
District Court, E.D. Michigan
Decided July 26, 1947No. Civil Actions Nos. 5601, 5928PublishedCited by 1 opinion
1Opinion of the Court
LEDERLE, District Judge.
Findings of Fact.
1. These actions involve the validity and infringement of all claims of Hathorne Patent 1,932,731, issued October 31, 1933, on an application filed April 20, 1927, ail'd all claims of Kisselle re-issue patent 20,693, issued April 12, 1938, on application filed November 29, 1937, based on Patent 2,025,-290 issued December 24, 1935, on an application filed October 13, 19.31. Both patents purport to disclose alleged improvements upon a combination consisting of pans and grids in which a liquid material is frozen into cubes or blocks and intended primarily…
2Cases cited9 opinions
- Halliburton Oil Well Cementing Co. v. WalkerSupreme Court of the United States · 1946
- Singer Manufacturing Co. v. CramerSupreme Court of the United States · 1904
- Detrola Radio & Television Corp. v. Hazeltine Corp.Supreme Court of the United States · 1941
- Cleveland Punch & Shear Works Co. v. E. W. Bliss Co.Court of Appeals for the Sixth Circuit · 1944
- Seiberling Rubber Co. v. I. T. S. Co.Court of Appeals for the Sixth Circuit · 1943
4 more not listed; retrieve them via the Exa API.
3Cited by1 opinion
- Copeman Laboratories Co. v. Norge Division of Borg-Warner Corp.District Court, E.D. Michigan · 1950