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Class Information
Number: D25/118
Name: Building units and construction elements > Architectural stock material > Construction block or brick type (20) > Perforated or openwork (21) > Symmetrical > Rectangular or square detail

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
D688817 Channel flex revetment block Aug. 27, 2013
D685924 Grass paver Jul. 9, 2013
D633630 Building unit Mar. 1, 2011
D615216 Building unit May. 4, 2010
D580561 Pad for a seabed mat Nov. 11, 2008
D575414 Revetment block Aug. 19, 2008
D571023 Paver Jun. 10, 2008
D571024 Grid structure for stabilization of grass, turf or particulate material Jun. 10, 2008
D555810 Mortarless retaining wall block Nov. 20, 2007
D555809 Paver Nov. 20, 2007
D555808 Engagement projection of a retaining wall block Nov. 20, 2007
D551358 Building block Sep. 18, 2007
D540475 Column forming block Apr. 10, 2007
D540476 Column forming block Apr. 10, 2007
D532119 Wall block Nov. 14, 2006
D528223 Retaining wall block Sep. 12, 2006
D527113 Block design for retaining wall Aug. 22, 2006
D516736 Support block with long wings Mar. 7, 2006
D514233 Wall block Jan. 31, 2006
D514232 Retaining wall block Jan. 31, 2006
D512163 Concrete form block Nov. 29, 2005
D510773 Building block Oct. 18, 2005
D510774 Retaining wall block Oct. 18, 2005
6907705 Reversible wall block, block wall, and method of wall construction Jun. 21, 2005
6889479 Building block May. 10, 2005
D504957 Revetment block May. 10, 2005
D502554 Construction block Mar. 1, 2005
D501935 Wall block Feb. 15, 2005
D501934 Offset support block with flat face Feb. 15, 2005
D498002 Block for a flowerbed Nov. 2, 2004
D491676 Building block Jun. 15, 2004
D487157 Building block Feb. 24, 2004
D484616 Building block Dec. 30, 2003
D475143 Retaining wall block May. 27, 2003
D473954 Offset block Apr. 29, 2003
D468450 Retaining wall block Jan. 7, 2003
D464742 Building member Oct. 22, 2002
D463041 Revetment block and a half Sep. 17, 2002
D461567 Block for a flower bed Aug. 13, 2002
D459487 Landscape block Jun. 25, 2002
6295772 Modular masonry step and deck assembly Oct. 2, 2001
D442704 Decorative paving article May. 22, 2001
D441464 Stair block for use in landscaping May. 1, 2001
D439989 Concrete construction block Apr. 3, 2001
D429822 Building unit Aug. 22, 2000
D429007 Brick Aug. 1, 2000
D425214 Molded block May. 16, 2000
D392052 Decorative building block III Mar. 10, 1998
D387879 Interlocking block Dec. 16, 1997
D387431 Hollow construction block Dec. 9, 1997

1 2 3

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