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Class Information
Number: D25/116
Name: Building units and construction elements > Architectural stock material > Construction block or brick type (20) > Perforated or openwork (21) > Symmetrical > Arcuate detail
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| D556919 |
Stackable wall block |
Dec. 4, 2007 |
| D546477 |
Brick with logo |
Jul. 10, 2007 |
| D545455 |
Paving stone |
Jun. 26, 2007 |
| D464442 |
Brick |
Oct. 15, 2002 |
| D410755 |
Building element |
Jun. 8, 1999 |
| D378423 |
Interlocking brick |
Mar. 11, 1997 |
| D363786 |
Retaining wall stone |
Oct. 31, 1995 |
| D346037 |
Arched paving |
Apr. 12, 1994 |
| D344013 |
Key for building blocks |
Feb. 8, 1994 |
| 5159801 |
Mortar securing building brick |
Nov. 3, 1992 |
| D308102 |
Bullet collator for shell reloading operations |
May. 22, 1990 |
| D301064 |
Convex block |
May. 9, 1989 |
| 4825619 |
Block wall |
May. 2, 1989 |
| D300254 |
Retaining wall block |
Mar. 14, 1989 |
| D300253 |
Retaining wall block |
Mar. 14, 1989 |
| D299067 |
Modular block wall |
Dec. 20, 1988 |
| D297767 |
Block wall |
Sep. 20, 1988 |
| D296365 |
Construction block |
Jun. 21, 1988 |
| D296007 |
Wall block |
May. 31, 1988 |
| D295789 |
Concrete block |
May. 17, 1988 |
| D295788 |
Wall block |
May. 17, 1988 |
| D295790 |
Starter wall block |
May. 17, 1988 |
| 4597238 |
Highly insulating brick for masonry |
Jul. 1, 1986 |
| 4566235 |
Tile block |
Jan. 28, 1986 |
| D276081 |
Building block |
Oct. 23, 1984 |
| D276076 |
Building block |
Oct. 23, 1984 |
| D276075 |
Building block |
Oct. 23, 1984 |
| D275998 |
Building block |
Oct. 16, 1984 |
| D275996 |
Building block |
Oct. 16, 1984 |
| D275995 |
Building block |
Oct. 16, 1984 |
| D265105 |
Stepping pad for a game |
Jun. 22, 1982 |
| D264997 |
Ventilating concrete block |
Jun. 15, 1982 |
| D260185 |
Paving block |
Aug. 11, 1981 |
| D256166 |
Building block |
Jul. 29, 1980 |
| 4186540 |
Interlocking cementitious building blocks |
Feb. 5, 1980 |
| D250484 |
Building block |
Dec. 5, 1978 |
| 4123881 |
Wall structure with insulated interfitting blocks |
Nov. 7, 1978 |
| 4052131 |
Paving stone |
Oct. 4, 1977 |
| D245999 |
Support block for chemical tower packing |
Oct. 4, 1977 |
| 4012881 |
Architectural modular elements for forming and-or completing monuments or like works of art |
Mar. 22, 1977 |
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