Appeal No. 95-4369
Application 08/117,242
10-17) that in Brewer, Jr. the collected samples are analyzed
first by an electronic microscope and then by a conventional
atomic absorption flame, while the claim calls for analysis by a
plasma source. However, the appellants also acknowledge that the
sample particles of Brewer, Jr., "in a normal system," would be
directed toward an inductively coupled plasma source (Br. at 19,
lines 11-12). Indeed, the sample particles collected by Brewer,
Jr.’s filter are from the same source as those ordinarily
directed to an inductively coupled plasma source for analysis for
their elemental constituents.
We agree with the examiner that in light of Brewer, Jr.’s
disclosure that sample particles can be collected on a filter and
that the collected particles are from the same source as those
particles ordinarily directed to a plasma source for analysis, it
would have been obvious to one with ordinary skill to use a
filter to collect the sample materials to be furnished to the
plasma source. We have already discussed above that a
reference’s teachings should not be limited or confined to its
preferred embodiments or the invention which it is attempting to
protect. Rather, all of the technical disclosure reasonably
stemming from the reference must be considered from the
perspective of one with ordinary skill. Here, we see no reason
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