Interlocking construction block

Abstract

A construction block system includes a first construction block with a first construction block interlocking mechanism on a top surface of the first construction block and a second construction block with a second block interlocking mechanism on a bottom surface of the second construction block. The first construction block interlocking mechanism interlocks with the second construction block interlocking mechanism when the second construction block is positioned on top of the first construction block.

What is claimed is: 
     
         1 . A construction block system comprising:
 a first construction block, the first construction block comprising a top surface, a bottom surface, a front surface, a rear surface, a left surface, and a right surface, wherein a first construction block interlocking mechanism is provided on the top surface of the first construction block; and   a second construction block, the second construction block comprising a top surface, a bottom surface, a front surface, a rear surface, a left surface, and a right surface, wherein a second block interlocking mechanism is provided on the bottom surface of the second construction block,   wherein the first construction block interlocking mechanism comprises a non-circular recess, wherein the second construction block interlocking mechanism comprises a non-circular protrusion, and wherein the non-circular protrusion is receivable within the non-circular recess when the second construction block is positioned on top of the first construction block.   
     
     
         2 . A construction block system according to  claim 1  wherein the second construction block comprises an interlocking mechanism on the second block top surface, wherein the second block top surface is interlockable with a bottom surface of a third construction block. 
     
     
         3 . A construction block system according to  claim 1  wherein the first construction block comprises two or more holes extending from the top surface to the bottom surface and wherein the non-circular recess comprises a plurality of rectangular recesses that each surround one or more of the holes. 
     
     
         4 . A construction block system according to  claim 1  wherein the non-circular recess of the first construction block comprises a front longitudinally extending channel that extends from the left side to the right side and a rear longitudinally extending channel that extends from the left side to the right side. 
     
     
         5 . A construction block system according to  claim 4  wherein the non-circular recess of the first construction block further comprises one or more cross channels that extend from the front longitudinally extending channel to the rear longitudinally extending channel. 
     
     
         6 . A construction block system according to  claim 1  wherein the first construction block comprises two or more holes extending from the top surface to the bottom surface and wherein the non-circular recess comprises a pair of longitudinally extending channels that extends from the left side to the right side with a front longitudinally extending channel being on the front side of the two or more holes and with a rear longitudinally extending channel being on the rear side of the two or more holes, and wherein the non-circular recess further comprises one or more cross channels that extend from the front longitudinally extending channel to the rear longitudinally extending channel. 
     
     
         7 . A construction block system according to  claim 6  wherein the non-circular recess comprises a cross channel that extends between two holes of the two or more holes. 
     
     
         8 . A construction block system according to  claim 6  wherein the non-circular recess comprises a cross channel that extends between two holes of the two or more holes, a cross channel that extends between the two or more holes and a left side surface, and a cross channel that extends between the two or more holes and a right side surface. 
     
     
         9 . A construction block system according to  claim 8  wherein the second construction block comprises a pair of longitudinally extending ridges that generally correspond to the longitudinally extending channels of the first construction block. 
     
     
         10 . A construction block system according to  claim 8  wherein the second construction block interlocking mechanism comprises a pair of longitudinally extending ridges that generally correspond to the longitudinally extending channels of the first construction block, and wherein the interlocking mechanism comprises one or more cross ridges, wherein the one or more cross ridges generally correspond to the one or more cross channels of the first construction block. 
     
     
         11 . A construction block system according to  claim 8  wherein the second construction block interlocking mechanism comprises a pair of longitudinally extending ridges that generally correspond to the longitudinally extending channels of the first construction block, wherein the second construction block interlocking mechanism further comprises a plurality of cross ridges, each cross ridge generally corresponding to a cross channel, and wherein one of the areas of the bottom surface of the second construction block that corresponds to the cross channel of the first construction block that extends between the two or more holes and a left side surface has no cross ridge. 
     
     
         12 . A construction block system according to  claim 1  wherein the left surface of the first construction block comprises a side interlocking mechanism that can interlock with a side interlocking mechanism on a third construction block. 
     
     
         13 . A construction block system comprising:
 a first construction block, the first construction block comprising a top surface, a bottom surface, a front surface, a rear surface, a left surface, and a right surface, wherein a first construction block interlocking mechanism is provided on the top surface of the first construction block; and   a second construction block, the second construction block comprising a top surface, a bottom surface, a front surface, a rear surface, a left surface, and a right surface, wherein a second block interlocking mechanism is provided on the bottom surface of the second construction block,   wherein the first construction block interlocking mechanism and the second construction block interlocking mechanism engage with one another to provide positional stability between the first construction block and the second construction block when the second construction block is positioned on top of the first construction block, and wherein the first construction block front surface and the second construction block front surface are devoid of an interlocking mechanism.   
     
     
         14 . A construction block system according to  claim 13  wherein the construction block system further comprises a third construction block having a front surface devoid of an interlocking mechanism, wherein the third construction block comprises a third construction block interlocking mechanism on a top surface of the third construction block, wherein the third construction block can be positioned adjacent the first construction block and angled to create a corner, wherein the second construction block is positionable to interlock with both the first construction block and the third construction block, and wherein the front surface of the first construction block and the front surface of the third construction block form a smooth inside corner. 
     
     
         15 . A construction block system according to  claim 13  wherein the second construction block comprises an interlocking mechanism on the second block top surface, wherein the second block top surface is interlockable with a bottom surface of a third construction block. 
     
     
         16 . A construction block system according to  claim 13  wherein the first construction block rear surface and the second construction block rear surface are devoid of an interlocking mechanism. 
     
     
         17 . A construction block system comprising:
 a first construction block, the first construction block comprising a top surface, a bottom surface, a front surface, a rear surface, a left surface, and a right surface, wherein a first construction block interlocking mechanism is provided on the top surface of the first construction block; and   a second construction block, the second construction block comprising a top surface, a bottom surface, a front surface, a rear surface, a left surface, and a right surface, wherein a second block interlocking mechanism is provided on the bottom surface of the second construction block,   wherein the first construction block interlocking mechanism comprises a recess, wherein the second construction block interlocking mechanism comprises a protrusion, wherein the protrusion is receivable within the recess when the second construction block is positioned on top of the first construction block, and wherein the protrusion has a height that is greater than a depth of the recess so as to provide a gap between the top surface of the first construction block and the bottom surface of the second construction block.   
     
     
         18 . A construction block system according to  claim 17  wherein the difference in the height of the protrusion and the depth of the recess is selected so that the gap is from about 0.5 inches to about 2 inches. 
     
     
         19 . A construction block system according to  claim 17  wherein the left surface of the first construction block comprises a side interlocking mechanism that can interlock with a side interlocking mechanism on a third construction block. 
     
     
         20 . A construction block system according to  claim 17  wherein the first construction block interlocking mechanism is non-circular and wherein the first construction block front surface is smooth.