Appeal No. 2000-0550
Application 08/706,114
The Examiner argues that “[t]his fundamental embodiment is
taught in Basso et al. discussion of the prior art.” See page 4,
lines 1-4 of Answer. Specifically the Examiner points to
language in Basso’s discussion of prior art which states on
col.1, lines 55-60:
A trend is to set one workstation to a single Token-Ring
segment, and interconnect several single-workstation segments via
multiport bridges.
We find that the Examiner has not met his burden of proving
that Basso teaches two interface elements in one ring system each
connected to a respective bridge which in turn is connected to a
respective interface element in a second ring system. The only
evidence that the Examiner has provided is pointing to broad
statements in the reference referring to workstations segments
connected via multiport bridges. The Examiner has not shown
specific teachings in Basso regarding the specific structure
being claimed by the Appellant. The Examiner, therefore, has not
shown how each and every element of the claimed invention is
disclosed in Basso.
Upon a careful review of Basso, we fail to find that Basso
teaches the limitation requiring four network interfaces and two
bridges, which provide two separate, independent couplings
between the first ring system and the second ring system as
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