Appeal No. 2002-1649 Page 2
Application No. 09/405,781
THE CLAIMED SUBJECT MATTER
Claims 1 and 10 are illustrative of the subject matter on appeal:
1. A device for purifying air comprising:
a reactor;
a photocatalyst located in said reactor;
an ultraviolet light source located in said reactor, said ultraviolet source illuminating said
photocatalyst;
a heater means located in said reactor for drawing air into said reactor by convection and
causing said air to rise past said photocatalyst before being expelled.
10. A compact device with a base and a top for purifying air that is plugged directly into
a wall power outlet comprising a set of power prongs protruding from the device for plugging
into the wall outlet, a compartment containing a photocatalyst that is illuminated by an ultraviolet
light source, and opening at the base of the device for air to enter, a heater means in the device
near this opening for heating air entering the device and causing this air to rise past the
illuminated photocatalyst, the air becoming purified, and an exit port at the top of the device for
the purified air to exit.
THE EVIDENCE
As evidence of unpatentability, the Examiner relies upon the following prior art
references:
Dimitrik 3,844,741 Oct. 29, 1974
Goswami 5,835,840 Nov. 10, 1998
(filed Sep. 6, 1995)
Yamanaka et al. (Yamanaka) 5,919,422 Jul. 6, 1999
(filed Jul 26, 1996)
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