US D561907 S1
The broken lines in the figures show structure or boundaries that are not part of the claimed design, but rather show the environment in which the design is associated, or show portions of the article in which the design is embodied or applied to that are not considered part of the claimed design.
The shading and tones, and any variations thereof, shown in the informal drawings do not imply any specific colors or color contrast scheme in the article to be patented. In addition, the surface coloration and tones, and the variations thereof, shown in the informal drawings form no part of the claimed design.
The diagonal lines (or shading lines) are intended to show that the respective portion(s) of the vial are transparent or substantially transparent, whereas the claimed portion(s) of the vial that do not include such lines are opaque or substantially opaque.