(under subclass 318) Subject matter provided with separate means to allow the buckle* and hook to be relatively easily engaged or disengaged from each other.
SEE OR SEARCH THIS CLASS, SUBCLASS:
323+, for plural diverse buckle(*) fasteners provided with separable fastening means for an attached fastener.
341, for plural diverse resilient clasp(*) fasteners provided with disconnectable means.
358+, for plural diverse pin fasteners provided with disconnect means.