Legal Opinion
Devex Corporation v. General Motors Corporation
Court of Appeals for the Seventh Circuit
Decided September 4, 1963No. 13979_1PublishedCited by 36 opinions
1Opinion of the Court
DUFFY, Circuit Judge.
These are two civil suits for infringement of Henricks’ Reissue Patent No. 24,017 which were consolidated for trial on the common issue of validity. Claim 4 is the only claim at issue. 1 The District Court held Claim 4 of the patent in suit to be invalid in view of the indefiniteness of the claim, the prior art and prior public use.
The patent in suit relates to lubrication of metal surfaces in cold drawing and deforming operations in shaping steel to desired forms by dies, to reduce friction ^between the steel workpiece being drawn .or shaped and the die, to avoid scoring…
2Cases cited7 opinions
- Radio Corp. of America v. Radio Engineering Laboratories, Inc.Supreme Court of the United States · 1934
- Smith v. HallSupreme Court of the United States · 1937
- Binks Manufacturing Company, Etc. v. Ransburg Electro-Coating Corporation, Etc.Court of Appeals for the Seventh Circuit · 1960
- Lewyt Corporation v. Health-Mor, Inc.Court of Appeals for the Seventh Circuit · 1950
- Block v. Nathan Anklet Support Co.Court of Appeals for the Second Circuit · 1925
2 more not listed; retrieve them via the Exa API.
3Cited by36 opinions
- General Motors Corp. v. Devex Corp.Supreme Court of the United States · 1983
- Ellipse Corporation, Cross-Appellant v. Ford Motor Company, Cross-AppelleeCourt of Appeals for the Seventh Circuit · 1971
- Devex Corp. v. General Motors Corp.Court of Appeals for the Third Circuit · 1981
- Devex Corporation v. Houdaille Industries, Inc.Court of Appeals for the Seventh Circuit · 1967
- Walt Disney Productions v. Fred A. Niles Communications Center, Inc.Court of Appeals for the Seventh Circuit · 1966
31 more not listed; retrieve them via the Exa API.