Electricity: conductors and insulators – Boxes and housings – With electrical device
Reexamination Certificate
2007-08-06
2008-12-23
Patel, Dhiru R (Department: 2831)
Electricity: conductors and insulators
Boxes and housings
With electrical device
C174S050000, C174S053000, C174S057000, C174S066000, C174S067000, C220S003200, C439S535000
Reexamination Certificate
active
07468486
ABSTRACT:
The Adjustable Mud ring consists of a collarless frame, having a central opening for an Extending Member, perimeter fastener openings for connecting to a junction box, and bendable tabs for securing the frame to an Extending Member, which is boxed shaped with a central opening for electrical apparatus, fixed tabs with openings for threading adjustable fasteners into openings in the frame, and bendable tabs for securing the system to a wall. A Grounding Spring Clip, constructed from sheet-metal, folded to create a compressive spring, with an opening for a fastener, allows proper grounding. Add-on Rings are boxed shaped with a central opening, openings on flat, fixed perimeter tabs for threading bolts into to an Extending Member, and bendable tabs for securing the system to a wall. A bracket, with openings for fasteners for attaching the assembly to wall members, can be made a part of the frame.
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Olson Michael C.
Patel Dhiru R
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