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Class Information
Number: 52/302.4
Name: Static structures (e.g., buildings) > Wall, ceiling, floor, or roof designed for ventilation or drainage > With the vent or drain entirely along at least one substantial dimension (e.g., length, not thickness) > Composed of interfitting blocks
Description: Hollowed wall, ceiling, floor, or roof wherein the hollow-type area is constructed from a hand-carried rectangular building unit attached to similar building units to form an; e.g., wall.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7571573 |
Modular floor tile with lower cross rib |
Aug. 11, 2009 |
| 7497061 |
System to prevent oil canning in metal roofing and siding |
Mar. 3, 2009 |
| 7448175 |
Drainage system for use in masonry block construction |
Nov. 11, 2008 |
| 7415801 |
Watertight decking |
Aug. 26, 2008 |
| 7406801 |
Watertight decking |
Aug. 5, 2008 |
| 7125203 |
Retaining wall and block |
Oct. 24, 2006 |
| 6968659 |
Composite joinery |
Nov. 29, 2005 |
| 6918215 |
Free floating sub-floor panel |
Jul. 19, 2005 |
| 6912820 |
Drainage system for use in masonry block construction |
Jul. 5, 2005 |
| 6898909 |
Flooring |
May. 31, 2005 |
| 6574932 |
Embeddable air duct block and method |
Jun. 10, 2003 |
| 6397539 |
Flooring for a building |
Jun. 4, 2002 |
| 6363666 |
Safety device for preventing a skylight from being opened from outside |
Apr. 2, 2002 |
| 6318041 |
Panel system with moisture removal |
Nov. 20, 2001 |
| 6253511 |
Composite joinery |
Jul. 3, 2001 |
| 6233895 |
Light-weight, reinforced, extruded roofing tile |
May. 22, 2001 |
| 6088984 |
Method and apparatus for making a sloped floor |
Jul. 18, 2000 |
| 5937601 |
Simulated brick chimney block |
Aug. 17, 1999 |
| 5887397 |
Aerodynamically stable roof system and ballast blocks |
Mar. 30, 1999 |
| 5870864 |
Water collection pan for unit masonry wall systems and drainage system incorporating same |
Feb. 16, 1999 |
| 5852906 |
Internal-wall drain system |
Dec. 29, 1998 |
| 5839243 |
Interlocking and insulated form pattern assembly for creating a wall structure for receiving poured concrete |
Nov. 24, 1998 |
| 5826650 |
Devices and methods for utilization of intermittently available electric energy for heating and cooling of habitable structures |
Oct. 27, 1998 |
| 5809720 |
Water diverting building block |
Sep. 22, 1998 |
| 5761864 |
Thermally insulated building and a building panel therefor |
Jun. 9, 1998 |
| 5615525 |
Thermoplastic foam insulation and drainage board in below-grade applications |
Apr. 1, 1997 |
| 5564243 |
Insulative wall cladding having insulation boards fitting together to form channels and fire-retardant panels disposed therein |
Oct. 15, 1996 |
| 5423152 |
Large size cast monolithic refractory repair modules and interfitting ceiling repair modules suitable for use in a coke over repair |
Jun. 13, 1995 |
| 5392578 |
Insulative wall cladding having insulation boards fitting together to form channels and fire-retardant panels disposed therein |
Feb. 28, 1995 |
| 5377468 |
Aerodynamically stable roof paver system and ballast block therefor |
Jan. 3, 1995 |
| 5363621 |
Insulative wall cladding having insulation boards fitting together to form channels |
Nov. 15, 1994 |
| 5274968 |
Building block for use with flashing and arrangement for weeping condensation |
Jan. 4, 1994 |
| 5217000 |
Compound solar collector building construction |
Jun. 8, 1993 |
| 5133163 |
Conduit containing construction block |
Jul. 28, 1992 |
| 4993206 |
Interlocking building units and walls constructed thereby |
Feb. 19, 1991 |
| 4910931 |
Water collection and drainage system for masonry block walls |
Mar. 27, 1990 |
| 4856238 |
Prefabricated part for constructing a building air-conditioned via its walls |
Aug. 15, 1989 |
| 4850165 |
Heat resistance brick |
Jul. 25, 1989 |
| 4823530 |
Thermic insulating covers for facade and the like walls |
Apr. 25, 1989 |
| 4612742 |
Wall and foundation drainage construction |
Sep. 23, 1986 |
| 4586302 |
Construction-type support system |
May. 6, 1986 |
| 4535579 |
Roof ballast block |
Aug. 20, 1985 |
| 4506483 |
Roof construction |
Mar. 26, 1985 |
| 4433521 |
Building component, method of construction and wall formed thereby |
Feb. 28, 1984 |
| 4393861 |
Apparatus for the utilization of solar energy |
Jul. 19, 1983 |
| 4333281 |
Basement wall draining molding |
Jun. 8, 1982 |
| 4275536 |
Wall element for a construction wall |
Jun. 30, 1981 |
| 4214408 |
Monolithic room enclosing module and method of forming the same |
Jul. 29, 1980 |
| 4018025 |
Ventilated interlocking floor tile |
Apr. 19, 1977 |
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