US PATENT SUBCLASS 434 / 74
.~ Brick, tile, roofing, or siding

Current as of: June, 1999
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434 /   HD   EDUCATION AND DEMONSTRATION

72  DF  ARCHITECTURE, INTERIOR DECORATION, OR INDUSTRIAL PLANT LAYOUT {4}
74.~ Brick, tile, roofing, or siding

DEFINITION

Classification: 434/74

Brick, tile, roofing, or siding:

(under subclass 72) Subject matter relating to small ceramic blocks used for forming a wall or floor surface, a material such as asphalt shingles for sheathing a roof, or a material such as aluminum or wood strips for sheathing the exterior of a building.