Wall plate with one opening for one of more wiring devices

Details Wall plate with one opening for one of more wiring devices Wall plate with one opening for one of more wiring devices

2006-02-07

2008-10-14

Estrada, Angel R (Department: 2831)

Electricity: conductors and insulators

Covers or face plates

C174S067000, C220S241000, C220S242000

Reexamination Certificate

active

07435903

ABSTRACT:
The instant invention discloses a receptacle having a shape along the width of its face that is flat in one plane and along its length that has a constant radius. The shape of the face of the receptacle allows for the proper seating of an inserted plug. The shape of a wall plate around the receptacle along a section which runs along its vertical axis defines a surface of positive first differential and zero second differential, comprised of a combination of splines drawn between points of varying distance from a datum plane. The surface has zero second differential when the rate of height increase of individual splines is constant. When ganged with a switch, the front surface of the switch follows the shape of the cover plate.

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