(under subclass 413) Product in which a portion or element of the structure is folded or pleated, or has a wavy, creped, crinkled, or embossed surface.
SEE OR SEARCH THIS CLASS, SUBCLASS:
418+, for sewn stock material including an inelastic nonplanar welt, stay or edge binding.
421, for sewn inelastic stock material including a component of varying thickness.
422+, for sewn inelastic stock material including a component of nonplanar uniform-thickness material.