(under subclass 65) Supports which have means permanently
secured thereto for piercing the fixed support or penetrating a preformed opening therein to secure the bracket thereto. This subclass does not include mere nails or screws.
SEE OR SEARCH THIS CLASS, SUBCLASS:
48.2, for eaves trough brackets, with support-piercing means.
69, for cable clamps and bridle rings having support piercing means.
546, for a support piercing or cutting means comprising means to aid in the installation thereof.
SEE OR SEARCH CLASS 174, Electricity: Conductors and Insulators,
164+, for insulator brackets having support penetrating means.