Legal Opinion
In re Frevert
Court of Customs and Patent Appeals
Decided May 5, 1941No. 4436PublishedCited by 3 opinions
1Opinion of the CourtHatfield, Judge
This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the decision of the Primary Examiner rejecting claims 1, 2, 3, and 6 to 14, inclusive, in appellants' application for a patent for an alleged invention relating to useful improvements in alloy steel for internal combustion valves or valve elements.
Appellants’ involved application is for a reissue of their patent No. 2,142,781, issued January 3, 1939, on an application filed October 15, 1938.
Claims 1, 2, and 3, which are illustrative of the appealed claims (claims 6 to 14, inclusive, “being…
2Cases cited5 opinions
- Parker & Whipple Co. v. Yale Clock Co.Supreme Court of the United States · 1887
- Fehr v. Activated Sludge, Inc.Court of Appeals for the Seventh Circuit · 1936
- Steiner & Voegtly Hardware Co. v. Tabor Sash Co.U.S. Circuit Court for the District of New Jersey · 1910
- Holzhauer Products Corp. v. ZaigerDistrict Court, D. Massachusetts · 1936
- Chapman-Stein Co. v. Rust Engineering Co.Court of Appeals for the Third Circuit · 1932
3Cited by3 opinions
- Switzer v. WatsonDistrict Court, District of Columbia · 1960
- Varian v. LlewellynCourt of Customs and Patent Appeals · 1950
- Varian v. LlewellynCourt of Customs and Patent Appeals · 1950