Appeal 2006-1263
Application 10/173,259
The Examiner contends that Monk discloses the invention as claimed
except for the bushing having an elliptical right section. The Examiner
relies on Rice for teaching an elliptical right section bushing. Appellants
contends that Monk does not teach a removable bushing (Br. 6) and further
that there is no suggestion in Monk to modify its flow passage A to be a
removable bushing (Br. 8) as taught by Rice.
We affirm.
ISSUES
The first issue before us is whether the Appellants have shown that the
Examiner erred in finding that Monk teaches a bushing as recited in
independent claims 1, 11 and 14.
The second issue before us is whether the Appellants have shown that
the examiner erred in holding that modifying the Monk device so as to
include an elliptically shaped bushing, as taught by Rice, would not destroy
the function of the Monk device.
FINDING OF FACT
Appellants’ invention comprises a bushing (Figure 3, element 8) for
fixing in air injections holes (Figure 1, element 6) pierced through the side
walls of a combustion chamber for a gas turbine (Specification at 4).
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