Unless otherwise agreed in writing, if a customer does not claim possession of a die, mold or form from the molder within three years from the last use of the die, mold or form, all rights, title and interest in the die, mold or form may, at the option of the molder, be transferred by operation of law to the molder for purposes of destroying the die, mold or form.
73 P.S. § 1880.3