“ It is contended for the plaintiff that as Beck was the first to devise a combination the gist of which is a feed, feeding faster at one end than at the other, with a laterally moving gang or series of needles, and an intermittent feed when the needles are out of the stitches, he is entitled to cover all variations in the form of the feed, so long as by any means it operates to feed faster at one end than at the other; and that, if that result is accomplished, the mechanism must be an equivalent for that of the plaintiff. ”

“ Claim 1 is not brought before us by the counsel for the appellant, for, in his brief, he states that it is only necessary to consider claim 2, for the reason that, if claim 1, first introduced into the second reissue, is broader than claim 2, (which is substantially in the same language as claim 1 of the first reissue,) it is an unlawful expansion, introduced nearly three years after the original patent was granted; and that, if the defendant has not infringed claim 2 of the second reissue, he has infringed no lawful claim of it. We therefore make no ruling as to claim 1. ”

“ The defendant is engaged in using a quilting-machine for quilting conical goods, having a gang of needles, and short cylindrical feed-rollers at each edge of the goods, which they feed in a circular direction, by moving at different rates of speed constantly, the needles having a forward movement corresponding to that of the cloth while in it ”