Interference No. 104,403
another angle provided a clear view through to the actual contents of
the packaging. Therefore, the testimony of Dr. Lauter corroborates
that a lens system that was suitable for packaging was in existence on
August 14, 1992.
In any case, we do not find the argument of the senior party
persuasive because (1) we do not think that the above-referenced
statement made by Rosenthal establishes that the lens sheet depicted
in Exhibit 2141 would not work for its intended purpose and because
(2) it has not been established that the lens sheet depicted in Exhibit
2118 is not thinner than the lens sheet depicted in Exhibit 2141.
In regard to the senior party’s assertion that the lens sheet
depicted in Exhibit 2141 would not work for its intended purpose
because Rosenthal stated that it might be necessary to make it thinner,
we note that the statement itself states that packaging and other
graphic purposes was one of the objects of the invention. In our view,
the major objective or intended purpose of the invention of the ‘226
patent is to provide a lenticular optical system in which a composite
image is viewable through a lens sheet from a first angle and an object
or image placed at a preselected distance beneath the composite
image is viewable from a second angle (col. 2, lines 34 to 39). The use
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