Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Reexamination Certificate
2007-07-17
2007-07-17
Hartmann, Gary S. (Department: 3671)
Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
C052S604000, C052S612000
Reexamination Certificate
active
11227369
ABSTRACT:
A retaining wall system is comprised of a plurality of courses of side-by-side parallelogram front face patterns, each parallelogram front face pattern formed by first and second rows of a plurality of quadrilateral face patterns. The first and second rows of the plurality of quadrilateral face patterns have the same width and collectively define a height of the parallelogram front face pattern, with each of the parallelogram front face patterns having the same height. The quadrilateral face patterns in the first row have a width different than that of the quadrilateral face patterns in the second row. Each parallelogram front face pattern in a first course overlies two parallelogram front face patterns in an immediately adjacent course. The combination of off-sets of the quadrilateral face patterns in each parallelogram front face pattern and overlapping of parallelogram face patterns in adjacent courses creates a retaining wall having a non-uniform appearance of a natural stone wall.
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