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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| D540476 |
Column forming block |
Apr. 10, 2007 |
| D540475 |
Column forming block |
Apr. 10, 2007 |
| D539924 |
Paver |
Apr. 3, 2007 |
| D539923 |
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 |
| D426317 |
Paving stone |
Jun. 6, 2000 |
| D415576 |
Revetment block |
Oct. 19, 1999 |
| D410755 |
Building element |
Jun. 8, 1999 |
| D409313 |
Concrete block and brick |
May. 4, 1999 |
| D408930 |
Concrete block and brick |
Apr. 27, 1999 |
| D408557 |
Concrete block and brick |
Apr. 20, 1999 |
| D405543 |
Wall block |
Feb. 9, 1999 |
| D403438 |
Modular block |
Dec. 29, 1998 |
| D397230 |
Front face of a retaining wall |
Aug. 18, 1998 |
| D393906 |
Construction block faces |
Apr. 28, 1998 |
| D392385 |
Construction block face |
Mar. 17, 1998 |
| D387432 |
Decorative building block |
Dec. 9, 1997 |
| D387433 |
Decorative building block |
Dec. 9, 1997 |
| D387183 |
Structural block |
Dec. 2, 1997 |
| 5644887 |
Extruded facade tile |
Jul. 8, 1997 |
| D378423 |
Interlocking brick |
Mar. 11, 1997 |
| D367715 |
Building element |
Mar. 5, 1996 |
| D350611 |
Retaining wall block |
Sep. 13, 1994 |
| D347070 |
Facing block |
May. 17, 1994 |
| D346031 |
Modular block |
Apr. 12, 1994 |
| D343461 |
Retaining wall block |
Jan. 18, 1994 |
| 5177925 |
Wall element for the dry construction of walls |
Jan. 12, 1993 |
| D317209 |
Corner wall block |
May. 28, 1991 |
| 5017049 |
Composite masonry block |
May. 21, 1991 |
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