Westinghouse Electric & Mfg. Co. v. Condit Electrical Mfg. Co.

NOYES, Circuit Judge.

This is a suit for the alleged infringement of claims 2 and 5 of letters patent No. 633,772 granted September 26, 1899, to Gilbert Wright and Christian Aalborg, assignors to the complainant, for an improvement in automatic circuit breakers. The invention — according to the patent — “relates to devices employed for automatically opening electric currents upon the passage there-through of a current materially in excess of that which the circuit is intended to carry.” The fourfold object of the invention — according to the patent—

“is to provide (1) a circuit breaker that…