Consolidated Safety-Valve Co. v. Crosby Steam Gauge & Valve Co.

Ms. Justice Blatcheokd

delivered the opinion of the court.

On the 27th of May, 1879, the Consolidated Safety-Valve Company, a Connecticut corporation, brought a suit in equity, in the Circuit Court of the United States for the District of Massachusetts, against the Crosby Steam Gauge and Valve Company a Massachusetts corporation, for the infringement of letters patent No. 58,294, granted to George W. Richardson, September 25,1866, for an improvement in steam safety-valves. The specification of the patent is as follows:

“ Be it known, that I, George W. Richardson, of the city of Troy, in the…