Appeal No. 1997-4213
Application No. 08/359,407
also is concerned about the problem of inadvertent
disengagement of the hanger from the edge portion of the
display (column 3, lines 11-17). This is prevented by
providing a portion (30) of the front face of the clip that
extends upwardly immediately above the upper edge of the
aperture through which it extends “to resist upward-acting
forces exerted upon it without being dislodged from mounting
aperture 46" (column 4, lines 25-32; Figure 2). Insofar as
the requirements of claim 1 are concerned, O’Brien fails to
disclose or teach an integrally molded tooth projecting from
the clip to resist removal of the clip from the support edge.
Brozak is directed to a display system in which a metal
support arm is mounted on a U-shaped metal clip that is
positioned downwardly upon a metal mounting bar. As best
shown in Figure 3, the clip is provided with an inwardly
oriented projection (33) which, after the clip is installed on
the bar, is located beneath the lower edge of the bar and
provides resistance to dislodgement of the clip from the bar.
The subject of the Fearing reference is a clip for holding
wires, pipes or the like in position along the edge of a
support. Prongs are provided on the inside of the clip to
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