Patent ID: 8235210

Claim:
A welding wire container lid, said lid comprising: a surface portion defining a shape to match a container so that the lid can be secured to the container; a rim portion extending downward from said surface portion; a protrusion portion extending upward from said surface portion in a direction opposite said rim portion; and an opening which is elongated in a direction extending from said protrusion portion onto said surface portion toward said rim portion, said opening having a first end disposed on said protrusion portion and a second end disposed on said surface portion spaced apart from said first end in the direction of elongation, said opening further having a first longitudinal side and a second longitudinal side spaced apart across said opening, each of said first and said second longitudinal sides extending from said first end to said second end, wherein said first longitudinal side has a first contour and said second longitudinal side has a second contour which is different from said first contour, such that at least a portion of said second longitudinal side is offset in a vertical direction relative to an adjacent portion of said first longitudinal side positioned across said opening from said portion of said second longitudinal side.