Static structures (e.g. – buildings) – With synthetic resinous component – With nonresinous component
Reexamination Certificate
2005-02-08
2005-02-08
Canfield, Robert (Department: 3635)
Static structures (e.g., buildings)
With synthetic resinous component
With nonresinous component
C052S309400, C052S309120, C052S405100, C052S605000, C052S612000
Reexamination Certificate
active
06851235
ABSTRACT:
A building block has a cement-based attachment layer on one or both exterior surfaces of the block that can receive and hold a penetrating fastener such as a nail, screw, staple, or the like. This allows surficial coverings such as wallboard, siding or other materials to be easily attached to a block wall made of the building blocks. The block includes substantially semi-cylindrical concave portions that form a cross-linked structure of channels when the blocks are assembled into a wall. Once the blocks have been stacked in place in a wall, grout or other suitable filling material is poured into the cross-linked structure of channels. When the filling material hardens, the blocks are locked together. Surficial covering materials may then be nailed, screwed, or stapled directly to the attachment layer.
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Canfield Robert
Martin Derek P.
Martin & Associates L.L.C.
LandOfFree
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