A container having a pouring spout for pouring oil into an engine (14). The container has a cap (24) which is screwed onto a neck portion (16) of the container. The cap (24) has radial ribs (32) tapering toward the cap bottom (28). The end of the neck portion (20) has a reduced diameter and is aligned...http://www.google.com/patents/US5316058?utm_source=gb-gplus-sharePatent US5316058 - Container having a self-opening pouring spout