This subclass is indented under the class definition. Structures which constitute a closure for a box, housing
or wall opening and which are provided with openings for communicating with
devices concealed by the closure. Such openings may have means
for coupling a device in the opening.
(1)
Note. See this class, subclasses 55, 56 and 57.
(2)
Note. Face plates having means specially designed for guiding
the prongs of electric plug elements have been placed in this subclass
or subclass 67 indented hereunder.
(3)
Note. See Class 220, Receptacles, subclasses 241+ for
face plates having no added structure limiting the same to electrical
use, even though claimed as made of conductive and/or insulating material,
and see the search notes thereunder for related art.
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