Composite masonry block

  • US 6,312,197 B1
  • Filed: 09/18/2000
  • Issued: 11/06/2001
  • Est. Priority Date: 09/28/1989
  • Status: Expired due to Fees
First Claim
Patent Images

1. A retaining wall block suitable for use in forming a pinless, mortarless retaining wall, said block comprising:

  • (a) a pair of substantially parallel and planar upper and lower faces;

    (b) a front face joining the upper and lower faces, and which is substantially perpendicular to the upper face at the intersection of the front face and the upper face;

    (c) a rear face which is substantially perpendicular to the upper and lower faces;

    (d) a pair of side faces joining the front and rear faces, the side faces being substantially perpendicular to the upper and lower faces and including rearwardly converging portions, wherein a line drawn on the upper face through the point where the rearwardly converging portions begin is substantially parallel to a line drawn through the points where the side faces join the rear face;

    (e) a flange extending below the lower face of the block, said flange having a rear face which is substantiallly an extension of the rear face of the block, said flange further including a front locking surface which intersects the lower face of the block; and

    (f) wherein the upper face is substantially solid and continuous throughout its extent.

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