Cutler-Hammer Mfg. Co. v. Automatic Switch Co.

PLATT, District Judge.

This is a patent suit based upon letters patent No. 453,033,' dated May 36, 1891, to Harry H. Blades, and assigned to complainant February 15, 1902. The claims at issue in suit are 1, 2, and 5: .

“(1) An automatic switch mechanism for an electric motor, the same consisting of a switch governing the admission of current to the motor, an electro-magnet on an independent shunt-circuit, an automatic switch-lever on the armature-circuit, a series of resistances with their terminals arranged to successively engage the said switch-lever, and a dash-pot to retard the motion of…