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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
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| D555808 |
Engagement projection of a retaining wall block |
Nov. 20, 2007 |
| D555809 |
Paver |
Nov. 20, 2007 |
| D555810 |
Mortarless 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 |
| D501934 |
Offset support block with flat face |
Feb. 15, 2005 |
| D501935 |
Wall block |
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 |
| D387434 |
Front face of a plantable retaining wall block |
Dec. 9, 1997 |
| D381086 |
Front face of a retaining wall block |
Jul. 15, 1997 |
| D379523 |
Building block for construction or children's toy |
May. 27, 1997 |
| D377397 |
Cinder block |
Jan. 14, 1997 |
| D373429 |
Linear attachment |
Sep. 3, 1996 |
| D369417 |
Combined cleanout block and tile |
Apr. 30, 1996 |
| D368313 |
Split face concrete block |
Mar. 26, 1996 |
| D367329 |
Roof pipe support block |
Feb. 20, 1996 |
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