(under the class definition) Product comprising a sheet*, web* or layer* having a portion thereof made less strong so as to permit easy separation at this portion through the thickness portion either longitudinally or transverse or at an angle to the plane of the product.
(1) Note. Examples of weakening are - perforating, scoring, or dissolving a portion of the web, sheet or layer.
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131, for similar structures including perforations or apertures, however, not for the purpose of facilitating separation of two portions at the perforations.
156+, for similar structure including a score line, or variation in thickness, but not for the purpose of providing a tear line or weakened portion.
