Appeal No. 97-3030
Application No. 08/254,181
The primary reference to Pons Pons discloses a
conventional electronically heated air freshener having a
fragrance bar 2 stored in a compartment 6 wherein a casing 7
encloses the entire package which is then plugged into a
standard electrical outlet via prongs 10. Connection to the
AC power supply permits heat resistance 11 to heat the
vaporizable scent material of the fragrance bar 2. As
recognized by the examiner, Pons Pons does not disclose the
heat source to be a porcelain enamel metal substrate," as
claimed.
The examiner employs Napierski for the teaching of
providing a heater adjacent to a fragrance block or in direct
contact with a block to be heated. It is our view that any
such teaching provided by Napierski is merely cumulative to
that already taught by Pons Pons wherein heat resistance 11 is
adjacent the fragrance bar and provides for heating the bar.
For the teaching of "a porcelain enamel metal substrate,"
the examiner relies on Yamamoto. Yamamoto does, indeed,
disclose a porcelain enamel metal substrate, e.g., lines 3-4
of the Abstract. The examiner reasons (principal answer-page
3) that "Yamamoto shows that it is known in the art to use a
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