Appeal No. 97-4048
Application 08/371,934
“appreciably extend into the carpet pile,” not that they do
not extend into the carpet pile at all. Given that the blade
20' can extend into the carpet pile to some extent, we must
agree with the examiner (answer, page 7) that the blade (20')
moving along the line to be cut will inevitably cut some of
the pile elements which were bent by the immediately preceding
portion of the extension element (32) in MacDonald. In
contrast to appellants’
position that MacDonald fails to disclose in any manner the
formation of a two-sided cut wherein the pile elements
adjacent to one side of the two-sided cut remain substantially
unsheared (brief, page 4), we note that there will clearly be
pile elements “adjacent” to one side of the two-sided cut seen
in Figure 1 of
MacDonald, and in fact, “adjacent” to both sides of the cut,
which remain substantially unsheared. As an example, we note
that in appellants’ own Figure 5 there are clearly shown pile
elements “adjacent” cut edge (69), as well as pile elements
“adjacent” cut edge (67), which are substantially unsheared,
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