Appeal No. 96-2779
Application 08/151,944
means of hand tools to strike the pattern in the concrete
(column 1, lines 24-26). In this regard, Moorhead states:
Hand stamping tools have been increased in size
to effectuate coverage of broad areas. However, the
process is relatively time consuming because of the
fact that a man can only impress a limited amount of
concrete as to the square footage that is being
impressed. This [Moorhead’s] invention overcomes
the limitations of hand stamping concrete by
providing a continuously rolling impressment.
[column 1, lines 55-62]
Specifically, Moorhead provides a tractor-like apparatus which
includes a roller 16 having a surface 17 comprising ribs or
blades 18 arranged in the pattern to be impressed into the
concrete for continuously rolling impressment of the pattern.
The test for obviousness is not whether the features of
one reference may be bodily incorporated into the structure of
another reference; nor is it that the claimed invention must
be expressly suggested in any one or all of the references.
Rather, the test is what the combined teachings of the
references would have suggested to those of ordinary skill in
the art. In re Keller, 642 F.2d 413, 425, 208 USPQ 871, 881
(CCPA 1981). Moreover, a conclusion of obviousness may be
based on common knowledge and common sense of the person of
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