Description
Class B21G : MAKING NEEDLES, PINS, OR NAILS
Subclass 3/04: Making pins, nails, or the like (of pins with individual caps B21G 5/00; of U-like shape B21G 7/00; of split-pins B21G 7/08) of pins of the kind used in the tailoring trade or the household with locking or shielding device for the pin point, e.g. safety-pins