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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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