(under subclass 154) Subject matter wherein the cover is for a machine used for stitching material (e.g., cloth, leather, paper) and usually having a needle and shuttle to carry thread, and powered by a foot treadle or electricity.
SEE OR SEARCH CLASS
312, Supports: Cabinet Structure,
208.5, 208.6 for a structure of that class type having means for housing or supporting a sewing machine.