(under subclass 11) Structure comprising (a) distinct means for coacting with or facilitating the use of a tool to assemble or disassemble the joint, or (b) a tool for assembling or disassembling the joint which tool is distinct from and dormant in the assembled joint.
SEE OR SEARCH THIS CLASS, SUBCLASS:
274+, for a deforming means used in effecting a joint wherein said means remains as a part of the joint or wherein said means or its equivalent is necessary to fabricate the particular joint.