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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: D25/117
Name: Building units and construction elements > Architectural stock material > Construction block or brick type (20) > Perforated or openwork (21) > Symmetrical > Arcuate detail > Cicular or oval
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
D429346 Block Aug. 8, 2000
D374358 Bottle organizer Oct. 8, 1996
D368744 Children's building block Apr. 9, 1996
D363786 Retaining wall stone Oct. 31, 1995
D351031 Retaining wall stone Sep. 27, 1994
D349615 Module used to form a holding tray for floral delivery Aug. 16, 1994
4928469 Modular construction block May. 29, 1990
D307792 Chimney cap component May. 8, 1990
D302313 Erosion control device Jul. 18, 1989
D299759 Interspaced erosion prevention structure Feb. 7, 1989
D299068 Interlocking building block Dec. 20, 1988
D298655 Retaining wall with tie-back elements Nov. 22, 1988
D298464 Concrete block Nov. 8, 1988
D284706 Block Jul. 15, 1986
D276082 Building block Oct. 23, 1984
D276078 Building block Oct. 23, 1984
D276077 Building block Oct. 23, 1984
4341236 Sewer manhole channel construction and method Jul. 27, 1982
D264996 Sculptured ventilating concrete block Jun. 15, 1982
D264886 Interlocking reinforced brick Jun. 8, 1982
4313689 Set of paving elements for production of paving and method of using the same Feb. 2, 1982
D254450 Building block Mar. 11, 1980
D253554 Elastic frame for fireproof feed-through of electric cables in walls of concrete or rock or the like Nov. 27, 1979











 
 
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