Stackable building block with vertical center risers
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United States of America Patent
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Aug 15, 2017
Grant Date -
N/A
app pub date -
Jun 28, 2010
filing date -
Jun 28, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A building block has opposing like outer members spaced apart by at least two risers as cross members inward from outer member ends leaving a center open with a void between the outer members and the risers. The risers extend from the bottom of the block to above the outer member tops. A continuous tongue projects upward from the top of the outer members parallel thereto along the length of the outer member and mates with grooves along the bottom of a similar outer member stackable thereon for ease of block alignment. A next stacked block is nailed to the risers projecting into its center.
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