Appeal No. 1999-1889 Page 13
Application No. 08/366,988
evaluated for what they fairly teach one of ordinary skill in
the art.’”
In re Lemelson, 397 F.2d 1006, 1009, 158 USPQ 275, 277 (CCPA
1968) (quoting In re Boe, 355 F.2d 961, 965, 148 USPQ 507, 510
(CCPA 1966)).
Here, Koitabashi teaches that various arrangements of its
venting hole would have been within the level of skill in the
art. Specifically, “[t]he number, the configuration, the size
and the like of the air vent can be properly determined by the
ordinary skilled in the art in consideration of the
evaporation of the ink.” P. 10, ll. 23-25. In one such
arrangement,
Figure 6 of the reference shows the air vent 13 positioned in
the same side of Koitabashi’s ink container as an opening “for
connection with an ink jet recording head ....” P. 7, ll. 40-
41. The air flow arrangement of Figure 6 offers the advantage
that “the ink supply can be carried out with small pressure
loss ... and therefore, a high speed printing operation can be
carried out with stability.” P. 12, ll. 16-18.
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