Putman v. Beaver State Shingle Co.

RUDKIN, Circuit Judge.

This was a suit for infringement of letters patent for an imitation shake shingle, which is adequately described in the first claim of the patent, reading as follows:

“A tapered shingle having a plane back and a face plane towards the upper or thin *354edge of the shingle and fluted in smoothly curved waves throughout the exposed area toward the thick edge, whereby the thicker portions, when laid as a roof or wall, will simulate shake shingling and the thinner portions will insure airtightness.”

The object of the patent is to give the shingle, when laid, the appearance of a…