Deitel v. Unique Specialty Corporation

We held this patent valid in Deitel v. Cohen, 40 F.(2d) 263, and this suit was brought against another infringer. We refer to our opinion for a statement of the general nature of the invention and for a discussion of the claims, in all three of which one element is the same with immaterial variants. The first will serve as illustration: “A separate channel member clamping said facing and said bottom cover plate to said flanges and a separate channel member clamping said facing and said top cover plate to the edges of said flat open frame.” The supposed infringement is within the claims,…