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Arcuate building block structure

  • US 5,732,518 A
  • Filed: 09/11/1996
  • Issued: 03/31/1998
  • Est. Priority Date: 03/06/1995
  • Status: Expired due to Fees
First Claim
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1. An arcuate building structure comprised of a first five-sided building block adjacent to and abutting a first six-sided building block, wherein:

  • (a) said first six-sided building block, is comprised of a first top side, a first front side, a first back side, a first left side, a first right side, and a first bottom side, wherein;

    1. said first top side has a substantially triangular shape, wherein at least two of the sides of said triangular shape are equal, and said first top side is substantially parallel to said first bottom side,2. said first front side has a substantially trapezoidal shape comprising a top edge, a bottom edge, a right edge, and a left edge, wherein said right edge and said left edge have equal lengths and form equal angles with said bottom edge,3. said first back side has a substantially triangular shape with at least two sides equal in length to each other,4. said first left side and said first right side have shapes which are congruent, and each of said first left side and said first right side are in the shape of a parallelogram comprised of four walls and comprise a substantially triangular-shaped recess and a substantially triangular-shaped projection disposed between the walls of said parallelogram, and

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