(under subclass 318) Subject matter provided with means formed from a sheet metal or metal strip section having a sharp projection stamped, cut, or formed thereon capable of entering into and tending to hold the structure-to-be-secured(*) to the buckle.
SEE OR SEARCH THIS CLASS, SUBCLASS:
347, for clasp(*) and hook fasteners in which a clasp(*) jaw has penetrating gripping structure.
350, for clasp(*) and penetrating prong fasteners.
368, for pin and penetrating prong fasteners.
377, for hook and penetrating prong fasteners.
380, for combined diverse multipart fasteners, one of which
is a penetrating prong. SEE OR SEARCH CLASS
2, Apparel,
319, for a torso or limb encircling garment supporter or retainer provided with a buckle hook fastener and penetrating prong.