Appeal No. 2002-0258
Application No. 09/254,402
II. The Rejection of Claim 12 under 35 U.S.C. §103(a) as
being unpatentable over Liu in view of Garzon and Dietz
The examiner has found that Dietz discloses a solid
electrolyte sensor having two cathodes disposed sequentially along
a diffusion channel. (Examiner’s Answer, page 4, lines 13-15).
The examiner thus concludes that it would have been obvious to one
of ordinary skill in the art to provide a second electrode along a
diffusion channel to enable the sensor to measure oxygen at the
first cathode and another gas at the second cathode (Examiner’s
Answer, page 4, lines 17-20).
This secondary reference fails to disclose the claimed layer
arrangement as discussed with respect to claim 11. Consequently,
we are constrained to reverse this rejection as well.
III. The Rejection of Claim 18 under 35 U.S.C. §103(a) as
being unpatentable over Liu in view of Garzon, Dietz, and Nakazawa
The examiner has found that Nakazawa discloses a diffusion
channel made of glass. (Examiner’s Answer, page 5, lines 1-2).
This secondary reference also fails to disclose the claimed layer
arrangement as discussed with respect to claim 11. Consequently,
we are constrained to reverse this rejection as well.
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