Legal Opinion
Dykema v. Liggett Drug Co.
District Court, W.D. New York
Decided April 2, 1937No. 1967PublishedCited by 1 opinion
1Opinion of the Court
KNIGHT, District Judge.
This is a patent suit which charges infringement of claims 2 to 9, inclusive, of Dykema reissue patent No. 19,520, granted April 9, 1935, for which application was filed January 29,. 1935. The original patent No. 1,843,812 was granted February 2, 1932, upon an application filed February 7, 1931. Claims 2 and 4 in issue are identical with the same numbered claims of the original patent. Claim 3, as amended, and claims 5 to 7, inclusive, -were included in the application for the reissue and claims 8 and 9 were added in the proceedings in the Patent Office for the reissue…
2Cases cited16 opinions
- The Barbed Wire PatentSupreme Court of the United States · 1892
- Carnegie Steel Co. v. Cambria Iron Co.Supreme Court of the United States · 1902
- Altoona Publix Theatres, Inc. v. American Tri-Ergon Corp.Supreme Court of the United States · 1935
- Triplett v. LowellSupreme Court of the United States · 1936
- Minerals Separation, Ltd. v. HydeSupreme Court of the United States · 1916
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3Cited by1 opinion
- Pennsylvania Research Corp. v. Lescarboura Spawn Co.District Court, E.D. Pennsylvania · 1939