CONTINENTAL PAPER BAG CO. v. EASTERN PAPERS BAG CO.

MR. JUSTICE McKENNA, after making the foregoing statement, delivered the opinion of the court.

The defense of want of invention in the Liddell machine is not urged here, because it is said that the decision of that question depends upon mechanical comparisons, too numerous and complicated to be conveniently made by a bench of judges, and because, though the Liddell patent approaches closely the prior art, it "perhaps covers...