WILBUR, Circuit Judge.
This is an appeal from an interlocutory decree of the District Court in a suit for patent infringement holding claims 1, 12 and 13 of patent No. 1,662,035, granted March 6, 1928 to Frank L. Smith and others, claim 4 of patent No. 1,710,804, granted April 30, 1929 to the same patentees, and claims 1 and 2 of patent No. 1,760,944, granted June 3, 1930 to E. A. Glynn, valid and infringed by appellant.
The claims of the patents alleged to...
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