Stelos Co. v. Hosiery Motor-Mend Corp.

This cause presents issues as to validity and infringement of claim 23 of the Stephens reissue patent, No. 16,360, for “an improvement in needles and its method of use.” The Stelos Company, owner of the patent, sued Hosiery Motor-Mend Corporation and others for infringement. The District Court adjudged the claim invalid by reason of failure to make proper disclosure of the alleged invention, and anticipation; and also thought that if the claim were sustained the defendants did not infringe, and dismissed the bill. The Circuit Court of Appeals held the prior art required so narrow a…