Myers v. Hadfield-Penfield Steel Co.

DONAHUE, Circuit Judge.

This appeal involves the validity, and, if valid, the infringement, of claims 12, 14, and 15 of the Myers patent, No. 1,399,570, issued December 6, 1921, on application filed July 6, 1920, to Edward C. Myers. The Wehr Company is the exclusive licensee.

The claimed invention “relates to tractors and particularly to industrial or lumber tractors.” It further appears from the specifications that the main object of the invention is “to provide a special frame structure form*57ing a body frame, which can be attached to existing types of tractors without altering their…