Appeal No. 96-2191
Application 08/395,512
containers of the Levendusky patents based upon the turntable
teaching of Pomeroy.
The Levendusky food containers and the Pomeroy turntable
are clearly functionally and structurally distinctly different
entities, as disclosed, notwithstanding their common
utilization in a microwave oven environment. As earlier
discussed, Levendusky would have directed those skilled in the
art to coat both the interior and exterior of a metal
container for heating an object exposed to microwave radiation
in the interior of the container. From our perspective, the
turntable teaching of Pomeroy would have advised an artisan to
coat a metal housing only externally when the metal interior
is not intended to be exposed to microwave radiation.
Accordingly, it is our conclusion that the applied prior art
would not have suggested the absence of electrical insulator
means on the interior of an apparatus for heating an object
therein by microwave radiation,
which radiation acts interiorly of the apparatus. Lacking
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