Appeal No. 96-0918
Application 08/059,017
[o]wing to the different lengths of the bristles,
the short bristles are harder than the long bristles
and therefore in brushing, for example, clothes, the
brushing may be started by using the short bristles
to remove mud, and may be finished with the long
bristles to remove the last traces of dust.
Wechsler is silent as to the cross-sectional shape of the
bristles.
Larson pertains to a hair brush. The bristles of
Larson’s hair brush are of diamond or triangular cross-
sectional shape to provide relatively sharp edges along their
length. As explained on page 2, left column, lines 52 to 62,
the hair filaments 15 will pass in a more or less
wavy or zig-zag line between adjacent bristles, and
in somewhat snubbed relation to the latter as
indicated in Figs. 5 and 6, and consequently, the
bristle edges will be drawn along the hair filaments
with a strong frictional contact therewith, whereby
said filaments will not only be thoroughly scraped,
so as to assure efficient removal of dirt particles
and encrustations therefrom, but also so as to be
subjected to a flattening action.
Racioppi pertains to a brush-like device for cleaning
razors, and includes a suction cup 21 for securing the device
to a wall surface.
In rejecting the claims, the examiner contends that it
would have been obvious to one of ordinary skill in the art to
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Last modified: November 3, 2007