Union Switch & Signal Co. v. Philadelphia & R. R.
U.S. Circuit Court for the District of Eastern Pennsylvania
These were suits in equity by the Union Switch & Signal Gompany and others against the Atlantic City Railroad Company and others for alleged infringement of certain patents relating to autoxiiatic electric railway signaling. The causes were heard oh motion for a preliminary injunction.
1Opinion of the Court
AOHESON, Circuit Judge.
Whether, by reason of their delay in applying for a preliminary injunction, the plaintiffs are not precluded from such interlocutory relief, is a close question. But, waiving the alleged laches, when the merits of the controversy are approached, we discover weighty objections to the grant of the preliminary relief now sought. The patents in suit have not been judicially considered, and the questions arising thereon which are now presented to the court for decision are both new and serious. This is not a case involving machinery of simple construction, the principle and…
2Cited by5 opinions
- Hall Signal Co. v. General Ry. Signal Co.Court of Appeals for the Second Circuit · 1907
- State v. . R. R.Supreme Court of North Carolina · 1907
- Western Electric Co. v. Anthracite Tel. Co.U.S. Circuit Court for the District of Western Pennsylvania · 1900
- United States v. Schine Chain Theatres, Inc.District Court, W.D. New York · 1940
- Union Switch & Signal Co. v. Philadelphia & R. R. Co.Court of Appeals for the Third Circuit · 1897