Flexible, cuttable, insulating sleeve and box extender

Receptacles – Outlet or junction box type – With adjustable parts

Reexamination Certificate

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Details

C220S004030, C174S057000

Reexamination Certificate

active

07077280

ABSTRACT:
A one-piece plastic part for use as electrical box extender having a rectangular outer opening and an inner opening. The part has two narrow sides and two wide sides joined at their corners to define the outer and inner opening. Two flanges are coplanar with and extend from the two narrow sides. The extender can be inserted into an existing electrical box with the four sides capable of flexing to accommodate the box until the flanges are flush with a surface of newly installed sheet rock. The box extender can be ganged together when necessary. No flanges are used on the two wide sides of the part.

REFERENCES:
patent: 2297862 (1942-10-01), Bachmann
patent: 5736674 (1998-04-01), Gretz
Steel City catalog page showing Thru-Wall Boxes/Switch Box Accessories (prior to Dec. 20, 2000).
Appleton catalog page showing Outlet Box/Switch Box accessories, Copyright 1987.
Thepitt catalog pages showing Switch Box Accessories (prior to Dec. 20, 2000).
Raco catalog page showing Accessories for Steel Boxes (prior to Dec. 20, 2000).

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