Appeal No. 2000-1302 Page 6
Application No. 08/766,057
Ericson teaches that, in making a composite article
having a resilient core, such as polyurethane foam, for
example, united with an overlying vinyl cover skin, airless
spraying of the vinyl polymer skin material onto the mold
presents advantages over forming the skin by rotational
(rotary) casting and slush molding (column 1, line 30 et
seq.).
In our view, one skilled in the art reading the combined
teachings of Hoskinson and Ericson would have been led to form
the integrally molded seat cushion unit comprising wood having
an elastomer skinned urethane foam adhered thereto for
repairing damaged bus seats of the admitted prior art by
spraying the vinyl
polymer onto the mold surface, inserting a wood reinforcement
into the mold, filling the mold with foamable material and
allowing the foamable material to foam. We have considered
appellant’s argument in the reply brief that one skilled in
the art having both Hoskinson and Ericson before him/her would
be confused and would not look to combine their teachings, but
we do not agree. From our perspective, one skilled in the art
having knowledge of the teachings of both Hoskinson and
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