Continental Fibre Co. v. Formica Insulation Co.

Infringement suit upon the Wright patent, No; 1,303,753, dated May 13, 1919, for a composite board, mainly useful for insulation in electric installations of high voltage. The District' Court held the patent invalid. The nature of the patent and the character of the questions involved satisfactorily appear from Judge Peck’s *456opinion, which we append hereto (substituting claim 2 for claim 1).

The issue is sharply presented by the action of the Patent Office, in which the examiner held that Wright had made an improvement over the Bakelite patent only in degree, while the Board of Examiners in…