Appeal No. 97-3030
Application No. 08/254,181
uniform, clean radiant heat. With such a teaching in mind, in
view of Pons Pons’ teaching of using a heating element
adjacent a fragrance bar to heat the fragrance bar in an air
freshener, it is our view that the skilled artisan would have
found it obvious to employ a porcelain enamel metal substrate
to heat the fragrance bar in Pons Pons.
Appellants contend that Hedden is not analogous art and
therefore would not be combinable with Pons Pons. We disagree
for the reasons stated supra with regard to Yamamoto. That
is, although Hedden is not directed to air fresheners, the
artisan looking for heating elements to use in Pons Pons,
which suggests the use of a heating resistance but is not tied
to any particular heating element, would have looked to the
heating arts of which Hedden is a part. Hedden is clearly
reasonably pertinent to the problem, i.e., heating, with which
appellants were concerned.
We do not find the examiner’s rejection to be
unreasonable because Hedden is not directed to either air
fresheners or to any particular application of the disclosed
heating panels. The rejection is based on a combination of
references, e.g., Pons Pons and Hedden. The artisan looking
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