New York Filter Mfg. Co. v. Loomis-Manning Filter Co.
U.S. Circuit Court for the District of Southern New York
This is a suit in equity by the New York Filter Manufacturing Company against the Loomis-Manning Filter Company for the infringement of the Hyatt patent, No. 293,740, for an improvement in the art of filtration of water. Heard on motion for preliminary injunction.
1Opinion of the Court
LACOMBE, Circuit Judge.
The validity of the patent has been established by repeated adjudications; some of them upon evidence of the identical alleged anticipating device here relied on. No new case against validity is made out, and the earlier decisions are to be followed. Infringement seems clear, and indeed is not disputed. The only objection seriously urged to the granting of the relief asked for is laches in not sooner proceeding against defendant and its predecessors, who have been openly infringing for years. But complainants have been reasonably diligent in prosecuting other…
2Cases cited2 opinions
- Edison Electric Light Co. v. Sawyer-Man Electric Co.Court of Appeals for the Second Circuit · 1892
- Edison Electric Light Co. v. Mt. Morris Electric Light Co.U.S. Circuit Court for the District of Southern New York · 1893
3Cited by2 opinions
- United States Mitis Co. v. Detroit Steel & Spring Co.Court of Appeals for the Sixth Circuit · 1903
- New York Filter Mfg. Co. v. JacksonU.S. Circuit Court for the District of Eastern Missouri · 1898