Johns-Manville Corporation v. David L. Ladd, Commissioner of Patents
Court of Appeals for the D.C. Circuit
1Opinion of the Court
WRIGHT, Circuit Judge.
This case presents for our consideration the elusive concept and much mooted: issue of patentability. 1 Appellant asks, this court to recognize as invention four-claims in a patent application submitted: by one of its employees. The claims wererejeeted by the Examiner, by the Patent, Office Board of Appeals, and by the District Court, as being lacking in invention, over the claims of a patent previously issued to another employee of appellant,, one Edward R. Powell.
Initially, it may be well to indicate the extent of our review. “ * * [A] s we have frequently stated, the…
2Cases cited5 opinions
- The Barbed Wire PatentSupreme Court of the United States · 1892
- Expanded Metal Co. v. BradfordSupreme Court of the United States · 1909
- Butterworth v. United States Ex Rel. HoeSupreme Court of the United States · 1884
- Esso Standard Oil Company v. Sun Oil CompanyCourt of Appeals for the D.C. Circuit · 1956
- Zenith Radio Corporation v. David L. Ladd, Commissioner of PatentsCourt of Appeals for the D.C. Circuit · 1962
3Cited by12 opinions
- McCullough Tool Co. v. Well Surveys, Inc.Court of Appeals for the Tenth Circuit · 1965
- James Nelson Hinde and Hinde Engineering Company v. Hot Sulphur Springs, ColoradoCourt of Appeals for the Tenth Circuit · 1973
- In re ZurkoCourt of Appeals for the Federal Circuit · 1998
- Orient Mid-East Lines, Inc. v. Cooperative for American Relief Everywhere, Inc.Court of Appeals for the D.C. Circuit · 1969
- Hinde v. Hot Sulphur Springs, ColoradoDistrict Court, D. Colorado · 1972
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