(under subclass 326) Subject matter provided with a sheet metal or metal strip section having a sharp projection stamped, cut, or formed thereon capable of penetrating structure-to-be-secured(*).
SEE OR SEARCH THIS CLASS, SUBCLASS:
368, for pin and penetrating prong fasteners.
377, for hook and penetrating prong fasteners.
380, for combined diverse fasteners, one of which is a penetrating prong.
SEE OR SEARCH CLASS
16, Miscellaneous Hardware,
4+, for clasp and penetrating prong configurations utilized in fastening carpets. 40, Card, Picture, or Sign Exhibiting,
662+, for check label or tag fasteners in the form of a clasp provided with a resilient prong.
160, Flexible or Portable Closure, Partition, or Panel,
402, for fabric fastening means to elongated elements by the use of a clasp and prong type fastener; and subclass 404 for fabric fastening means to an elongated element by the means of a pointed, pierced, or hook element.
248, Supports,
71, for a pipe or cable bracket provided with penetrating means.