(under subclass 600) Process wherein articles or preforms undergoing treatment are, often hand-sized, usually rectangular or square, building blocks of material containing clay (i.e., an earthy material that is composed of hydrous aluminum silicates and other materials that are plastic when moist and hard when fired) identified as a block, tile, or brick.
(1) Note. Lacking an indication to the contrary, the mere use of block, tile, or brick without indicated composition will be considered proper for this subclass, even if not disclosed to contain clay.
SEE OR SEARCH THIS CLASS, SUBCLASS:
609, for particular or specific manner of positioning, arranging, or conveying of plural blocks, tiles, or bricks (e.g., stacking, utilizing spacer, etc.) during sintering, vitrifying, or drying.
644, for process of shaping or treating multilayered or composite block, tile, or brick combined with sintering, vitrifying, or firing outside the mold.
