Belsinger, Inc. v. American Viscose Corp.

KIRKPATRICK, Chief Judge.

This is a patent infringement suit based upon alleged infringement of Claim 1 of Patent No. 2,453,614 and the single claim of No. 2,512,539, both issued to the plaintiff. As to both patents, the major issues are invalidity for lack of invention over prior patents and publications, and non-infringement. The patents are for large-scale shipping containers, particularly the type used in the packaging and shipping of rayon yarn.

Rayon yarn is commonly prepared for shipment by winding it on paper tubes in the ■ form of truncated cones. The cones are then wrapped and placed…