Appeal No. 1999-1577
Application No. 08/537,060
space within said sidewalls and said bottom, two
interior walls dividing the interior space into
first, second, and third ink chambers, said
second ink chamber being in the center of said
print head body, the bottom of said print head
body being formed to define first, second and
third exit ports generally centrally located in
said bottom entirely under said second chamber
and spaced from all areas under said first
chamber and under said third chamber, the bottom
of said print head body being formed to define a
first crossflow channel communicating with said
first ink exit port and with an opening in the
bottom of said first ink chamber and to define a
second crossflow channel communicating with said
third ink exit port and with an opening in the
bottom of said third ink chamber, said second
exit port communicating with an opening in the
bottom of said second ink chamber.
The examiner relies on the following references:
Baker et al. (Baker) 5,025,271 Jun. 18,
1991
DeFosse et al. (DeFosse) 5,497,178 Mar.
5, 1996
(filed Dec. 10, 1993)
Ishinaga et al. (Ishinaga) 5,502,479 Mar. 26,
1996 (filed Jun. 16,
1996)
Claims 6 and 7 stand rejected under 35 U.S.C. § 103 as
unpatentable over Baker in view of Ishinaga. Additionally,
claims 6 and 7 stand rejected under obviousness-type double
patenting over claims 1-3 of DeFosse in view of Ishinaga and
Baker.
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