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Building block

  • US 20030070386A1
  • Filed: 10/16/2001
  • Published: 04/17/2003
  • Est. Priority Date: 10/16/2001
  • Status: Abandoned Application
First Claim
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1. A block comprising:

  • a front surface;

    first and second side surfaces coupled to the front surface;

    a top surface coupled to the front surface and to the first and second side surfaces;

    a bottom surface coupled to the front surface and to the first and second side surfaces, the bottom surface including at least one retaining knob that aligns the bottom surface of the block to the top surface of a previously-placed block;

    a plurality of voids extending from the top surface to the bottom surface; and

    a sloped back surface coupled to the first and second side surfaces, to the top surface, and to the bottom surface, the back surface sloping from the top surface to the bottom surface.

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