| US 7,008,053 C1 (6871st) | ||
| INK CARTRIDGE AND RECORDING APPARATUS | ||
| Kazuhiro Hashil, Nagano, Japan; Satoshi Shinada, Nagano, Japan; Yasuto Sakai, Nagano, Japan; Kazumasa Harada, Nagano, Japan, and Kazuaki Aoki, Nagano, Japan, assignors to Seiko Epson Corporation, Shinjuku-Ku, Tokyo, Japan | ||
| Reexamination Request No. 90/008,790, Aug. 3, 2007. | ||
| Reexamination Certificate for Patent 7,008,053, issued Mar. 7, 2006, Appl. No. 58,033, Feb. 14, 2005. | ||
| Continuation of application No. 10/649,806, filed on Aug. 26, 2003, now Pat. No. 6,979,079. | ||
| Int. Cl. B41J 2/175 (2006.01) | ||
| U.S. Cl. 347—86 |
| AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT: |
| The patentability of claims 1-8, 15-17, 19-23, 26-30 and 37-39 is confirmed. |
| Claim 33 is determined to be patentable as amended. |
| Claims 9-14, 18, 24-25, 31-32 and 34-36 were not reexamined. |
| 1. An ink cartridge, comprising: an ink container having an upper wall, a bottom wall, a first side wall and a second side wall;
an ink supply port disposed on the bottom wall closer to the first side wall than the second side wall, the ink supply port having an axis;
a retaining member disposed on the first side wall, the retaining member having a protruding engagement portion;
a projecting portion located in a region where a plane of the second side wall and a plane of the bottom wall intersect, and extending away from the first side wall, the projecting portion having a surface lying in a plane that is substantially parallel to the axis;
a memory unit disposed on the ink jet cartridge; and
a plurality of electrodes disposed on the surface and which are in electrical communication with the memory unit.
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