(under subclass 429) Device adapted to pierce a container composed of intersecting walls including structure in addition to the fulcrum adapted to extend along the side of the container during the cutting operation to engage a wall of the container and guide the cutting element along a path conforming to the periphery of the intersecting wall.
SEE OR SEARCH THIS CLASS, SUBCLASS:
286, and see notes thereunder for a non-can opener cutlery device with a guide.
