Interference No. 104,158
pins 1a. On the opposite end of the pins 8, mounted by pivots
8a
is a cartridge support platform 13 provided with rails 16 for
receiving a blade containing cartridge 17. Although the
translation of Ishida refers to the mounting as a four-bar
linkage at 4, paragraph 3, Ishida is not a four-bar linkage as
claimed and as disclosed in Terry. The razor of Ishida does
not pivot about an axis but shifts or translates as a unit
always remaining parallel
to the hemispherical base 2. According to Althaus, Ishida has
been cited to teach a linkage connecting the cartridge to the
handle with the linkage lying in the correct plane. Be that
as it may, Ishida differs from the claimed invention in not
showing
the claimed four-bar linkage, in not showing the correct
pivotal movement, and in not showing a pivot axis on or below
the surface being shaved.
We are in agreement with Althaus and both parties’
experts as to the level of skill in this art. The level of
13
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