Hookless Fastener Co. v. H. L. Rogers Co.

MANTON, Circuit Judge.

The appellee, owner of the Sundbaek patent, No. 1,322,650, granted November 25, 1919, for a “fastener for slit and other closures,” successfully charged the appellant with infringement of claims 4, 5, 13, and 20 in the .court below. Appellant challenges the decree entered, claiming that there was no infringement, or, indeed, invention or patentable novelty in what Sundbaek is said to have invented.

The patent shows the slide-operated separable fastener, old and well known in the art. There are two rows of interlocking or interengaging fastener members on the opposed edges…