Appeal No. 96-2191
Application 08/395,512
contained therein is heated with microwave radiation
comprising, inter alia, a metal container having an interior
and an exterior defined by a bottom and at least one side
wall, microwave transparent bottom and side wall electrical
insulator means for electrically insulating the “exterior” of
the container, with the “interior surfaces” of each of said at
least one side wall and bottom “lacking electrical insulator
means”.
We turn now to the evidence of obviousness.
Each of Levendusky ‘458 and Levendusky ‘850 explicitly
teach a metal container for heating and cooking food in a
microwave
oven, with the container providing for arc-free and minimal
electromagnetic reflection in the oven. The patentee, in each
case, instructs those versed in the art to coat all surfaces
of the metal body or tray of the container.
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