Appeal No. 2000-0229
Application No. 08/603,005 Page 18
plurality of push button switch sensors instead of the optical
sensors of Hellsberg since these are well known equivalents for
machine reading of codes defined by holes or apertures.”
Although we agree with the examiner to the extent that the use of
push button switches are known, claim 4 additionally requires
that the push button switches extend through the apertures to
provide the signals, which is not taught or suggested by the
prior art. Thus, we find that the examiner has not addressed all
of the limitations of claim 4, and has therefore failed to
establish a prima facie case of obviousness of claim 4.
Accordingly, the rejection of claim 4 under 35 U.S.C. § 103(a) is
reversed.
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