Buono v. Yankee Maid Dress Corporation

L. HAND, Circuit Judge.

This is the usual bill in equity for the infringement of two patents: One for a machine by which to make a kind of “blind stitch”; the other, a product patent, for the stitch itself. A “blind stitch” is one where the needle passes through several plies which are to be fastened together, but does not pass clear through the last or outside one; the stitching does not therefore show on the front, hence the name. Obviously the cloth must be thick enough to allow the needle to take up a snatch of it arid still not go through. When plies of thin fabrics are sewn together, no…