Parkinson Heating Corp. v. Goldenstein

AUGUSTUS N. HAND, Circuit Judge.

This is an appeal from a final decree in favor of the complainants in a suit by them for infringement by the defendant of United States patent No. 1,834,070. The invention is for water heating coils’ to supply hot water for domestic uses. It is adapted for use in systems where no separate tank for storing hot water is employed.

The method of obtaining a hot water supply for domestic use in apartments has generally been to install a tank above the level of a heater and to introduce cold water into the bottom of the tank which is connected with the heater. The…