Appeal No. 95-4615
Application No. 08/158,853
1044, 1051, 5 USPQ2d 1434, 1438 (Fed. Cir. 1988) stated, "it
is impermissible to use the claims as a frame and the prior
art references as a mosaic to piece together a facsimile of
the claimed invention."
With respect to claims 20 through 24, the examiner
appears to recognize that neither the Hawke reference nor the
Beckman reference describes the furnace lid structure recited.
We also note that the Hawke and Beckman references, either
individually or in combination, do not teach or suggest a
furnace lid having a center panel block and a skewback each
containing step portions, with a plurality of blocks having
spaced apart step portions extending from the skewback to the
center panel block to form a substantially arch shape. The
examiner, however, alleges that this claimed furnace lid
features are no more than an obvious design choice. This
allegation is unsupported by any facts. There is no evidence
whatsoever that the claimed furnace lid features are an
obvious design choice. Nor is there any evidence that the
claimed furnace lid features would have been suggested to one
of ordinary skill in the art.
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