Implements in the nature of floor or door mats especially adapted for cleaning boots or shoes of adherent foreign matter by means of a hard blade-like scraping edge over which they are drawn by the wearer.
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52, Static Structures (e.g., Buildings); a residual class for a static structure; subclasses 660+ for a fabric or lattice (e.g., indeterminate grating).
239, through 241.
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428, Stock Material or Miscellaneous Articles,
156+, for a stock material product in the form of a web or sheet and including a component of varying thickness.