Bungay v. Grey
Court of Appeals for the D.C. Circuit
Appeal from the Commissioner of Patents. Interference proceedings between George W. Bungay and Charles M. Grey. From a decision of the Patent Office awarding priority as to all eight counts in issue to Grey, Bungay appeals.
1Opinion of the Court
ROBB, Associate Justice.
Appeal from concurrent decisions of the Patent Office awarding priority to the appellep, Grey.
The invention relates to casting dies, into which molten metal is forced under pressure. In the prior art imperfections had been found at the surface of the casting adjacent to the opening leading into the *424die cavity, especially when small cylinders were cast. Since most of these small cylinders were given a high finish, it was extremely diffi-cult to cast them under former conditions. The discovery that by forcing the molten metal into, the end of the tubular mold cavity…
2Cases cited4 opinions
- Goodrum v. ClementCourt of Appeals for the D.C. Circuit · 1922
- Laughlin v. BurryCourt of Appeals for the D.C. Circuit · 1921
- Derr v. GleasonCourt of Appeals for the D.C. Circuit · 1919
- Wahl v. WrightCourt of Appeals for the D.C. Circuit · 1921
3Cited by6 opinions
- The Joseph F. ClintonCourt of Appeals for the Second Circuit · 1918
- Collins v. LotzCourt of Appeals for the D.C. Circuit · 1926
- Holslag v. HollupCourt of Appeals for the D.C. Circuit · 1923
- Burdett v. LueningCourt of Appeals for the D.C. Circuit · 1924
- Olm v. CatherCourt of Appeals for the D.C. Circuit · 1927
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