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Class Information
Number: D25/114
Name: Building units and construction elements > Architectural stock material > Construction block or brick type (20) > Perforated or openwork (21)
Description:










Sub-classes under this class:

Class Number Class Name Patents
D25/115 Symmetrical 29


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
D690438 Rotatable, homogenous plain weave preform for traffic patterns Sep. 24, 2013
D690439 Rotatable, homogeneous diagonal preform for traffic patterns Sep. 24, 2013
D690440 Rotatable, homogenous stacked preform for traffic patterns Sep. 24, 2013
D690441 Rotatable, homogeneous courtyard preform for traffic patterns Sep. 24, 2013
D690033 Rotatable, homogenous ashlar preform for traffic patterns Sep. 17, 2013
D690032 Rotatable, homogeneous herringbone preform for traffic patterns Sep. 17, 2013
D689627 Rotatable, homogeneous running bond preform for traffic patterns Sep. 10, 2013
D689202 Rotatable, homogenous quarter round preform for traffic patterns Sep. 3, 2013
D689203 Landscaping block Sep. 3, 2013
D689204 Landscaping block Sep. 3, 2013
D688814 Landscaping block Aug. 27, 2013
D688816 Landscaping block Aug. 27, 2013
D688813 Landscaping block Aug. 27, 2013
D688812 Landscaping block Aug. 27, 2013
D688815 Landscaping block Aug. 27, 2013
D679416 Garden block Apr. 2, 2013
D673301 Masonry block Dec. 25, 2012
D673302 Masonry block Dec. 25, 2012
D673303 Masonry block Dec. 25, 2012
D673304 Masonry block Dec. 25, 2012
D629920 Block Dec. 28, 2010
D615669 Block structure for retaining wall system May. 11, 2010
D609822 Split-face block Feb. 9, 2010
D604865 Retaining wall block Nov. 24, 2009
D603976 45 degree masonry unit Nov. 10, 2009
D603063 Masonry line block Oct. 27, 2009
D566001 Reef artifact Apr. 8, 2008
D551358 Building block Sep. 18, 2007
D543643 Landscaping construction block May. 29, 2007
D540475 Column forming block Apr. 10, 2007
D540476 Column forming block Apr. 10, 2007
D539923 Paver Apr. 3, 2007
D539924 Paver Apr. 3, 2007
D539438 Retaining wall block Mar. 27, 2007
D539439 Stackable wall block Mar. 27, 2007
D538947 Stackable wall block Mar. 20, 2007
7174687 Web offset lug dry-stack system Feb. 13, 2007
D530832 Block design for retaining wall Oct. 24, 2006
D527467 Lightweight building block Aug. 29, 2006
D526067 Block design for retaining wall Aug. 1, 2006
6889479 Building block May. 10, 2005
D476749 Interlocking masonry block Jul. 1, 2003
D464441 Construction block Oct. 15, 2002
D464150 Construction block Oct. 8, 2002
D463577 Paving stone Sep. 24, 2002
D463040 Interlocking masonry block Sep. 17, 2002
D447045 Bracket Aug. 28, 2001
D437423 Block Feb. 6, 2001
D435304 Retaining wall block design Dec. 19, 2000
D429531 Structural block Aug. 15, 2000

1 2 3










 
 
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