Appeal No. 97-1810 Page 6
Application No. 08/321,262
serve to contain a dentifrice in the form of a liquid or
a paste, or even a powder.
Applying the terms of claim 21 to these teachings we find that
Merrill has an elongated brush portion having a segment at one
end (i.e, shank 2) and a plurality of bristles at the other
end (i.e, toothbrush 1) and an elongated handle portion (i.e,
handle 4) having a compartment for holding a supply of
powdered dentifrice (i.e, chamber 5) and an opening (i.e,
aperture 3) through which the dentifrice may be poured and
through which the segment of the brush portion is received for
connecting the brush portion and handle portion for use.
Munoz Saiz discloses a toothbrush with an interchangeable
handle. As shown in Figure 1, the toothbrush 1 consists of a
brush head body 3 and a handle 2. The brush head body 3 has a
passage 5 extending from slanted end 7 to the bristles. The
handle 2 forms a container 11 for containing liquid or semi-
liquid toothpaste. The container 11 is sealed by wall 12
which is pushed through or removed by the slanted end 7 of the
brush head body 3 during connection (see page 6, third
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