Lincoln v. Waterbury Button Co.

(after stating the facts as above). The sole question át bar is whether defendant’s “Kasterslides” infringe the patent fairly represented by plaintiff’s Domes of Silence. Both are smooth and polished substitutes for castors, intended (e. g.) to be driven by the force of a hammer into the bottom of the leg of a chair or other piece of furniture, which then (it is said) slides as readily over a rug or carpet as if it had a rolling castor in the same place, When this patent *620was before us in the case above cited it was specifically pointed out by Coxe, J., that the patented object was by the…