Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Reexamination Certificate
2006-10-24
2006-10-24
Canfield, Robert (Department: 3635)
Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
C405S284000, C052S302400, C052S604000, C052S605000, CD25S113000
Reexamination Certificate
active
07125203
ABSTRACT:
A retaining wall and block are described herein for use in landscaping, gardening and the like. The block is formed from concrete and has an uneven face to replicate layers of flat stone. An elongated groove in the top of each block provides for reception of mating studs of upper contiguous blocks. The elongated groove is sized to allow the blocks to be turned and moved depending on the type and design of the particular wall being constructed. The ends of the blocks are biased to allow easy rotation and placement when building a curved or circular wall. A filler is provided for placement within the elongated groove of the blocks in the top tier of the retaining wall to provide for a smooth, flush surface.
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Photos 1, 2 and 3 show typical wall facings formed of concrete which can be purchased from local building supply stores. These facings are approximately 1-2 inches thick and provide a “layered” appearance. These facings are not wall blocks but are applied to single block walls for decorative purposes.
Canfield Robert
Evans Mary L.
LandOfFree
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