Openwork; e.g., truss, trellis, grille, screen, frame, or rebar chair > Spacer-positioner; e.g., rebar chair > Penetrator with limiting stop > Penetrating leg traversing separate stop > Patents

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Class Information
Number: 52/681
Name: Static structures (e.g., buildings) > Openwork; e.g., truss, trellis, grille, screen, frame, or rebar chair > Spacer-positioner; e.g., rebar chair > Penetrator with limiting stop > Penetrating leg traversing separate stop
Description: Structure including a headed, penetrating type fastener and a separate spacer or stop through which the fastener passes.

Sub-classes under this class:

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6637171	Apparatus and method for reinforcing concrete using rebar isolators	Oct. 28, 2003
6363679	Fastening device	Apr. 2, 2002
4642960	Prefabricated building panel and method of making the same	Feb. 17, 1987
4581871	Fastener and nosepiece for installing lath	Apr. 15, 1986
4434597	Fastening device	Mar. 6, 1984