Armstrong v. Levy
Court of Appeals for the D.C. Circuit
1Opinion of the Court
ROBB, Associate Justice.
Appeal from a decision of the Patent Office in an interference proceeding in which priority was awarded the senior party.
The 'invention relates to a radio receiver, in which descent from the high or received frequency to the voice or signal frequency is made in two steps instead of one, as in the conventional receiver, and in which amplification is used at the intermediate frequency stage.
Levy filed in France on August 4, 1917. An application was filed here on August 12, 1918, substantially like the French application. Armstrong filed February 8,1919, and a patent was…
2Cases cited3 opinions
- Seror v. DickCourt of Appeals for the D.C. Circuit · 1925
- Giesler v. MouletCourt of Appeals for the D.C. Circuit · 1926
- Lamb v. GuillemardCourt of Appeals for the D.C. Circuit · 1926
3Cited by4 opinions
- Application of SmythCourt of Customs and Patent Appeals · 1951
- Application of OppenauerCourt of Customs and Patent Appeals · 1944
- Otto Henning v. Scott F. HuntCourt of Customs and Patent Appeals · 1955
- Scinta v. AndersonCourt of Customs and Patent Appeals · 1952