| US 6,955,422 C1 (7088th) | ||
| INK CARTRIDGE | ||
| Hisashi Miyazawa, Nagano, Japan; Munehide Kanaya, Nagano, Japan; Yasuto Sakai, Nagano, Japan; Masaki Shimomura, Nagano, Japan; Satoshi Nakata, Nagano, Japan; Yoshihiro Koizumi, Nagano, Japan; Hiroshige Owaki, Nagano, Japan; Takeo Seino, Nagano, Japan, and Satoshi Shinada, Nagano, Japan, assignors to Seiko Epson Corporation, Shinjuku-Ku, Tokyo, Japan | ||
| Reexamination Request No. 90/008,810, Sep. 17, 2007. | ||
| Reexamination Certificate for Patent 6,955,422, issued Oct. 18, 2005, Appl. No. 116,499, Apr. 3, 2002. | ||
| Int. Cl. B41J 2/175 (2006.01) | ||
| U.S. Cl. 347—86 |
| AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT: |
| Claims 1-2, 7, 10, 14-18, 20, 22, 25-31, 35, 38, 41 and 43 are determined to be patentable as amended. |
| Claims 3-6, 8-9, 11-13, 19, 21, 23-24, 32-34, 36-37, 39-40, 42 and 44, dependent on an amended claim, are determined to be patentable. |
| New claims 63-72 are added and determined to be patentable. |
| Claims 45-62 were not reexamined. |
| 1. An ink cartridge detachably mountable on a carriage which is reciprocally movable in a recording apparatus and which has a [electrode] plurality of electrodes, an engagement portion and an ink supply needle, the ink cartridge comprising: a container that stores ink therein and has an ink supply port connectable to the ink supply needle, the ink supply port being located in a leading end side in an insertion direction of the container into the carriage, the container further having first and second surfaces opposite each other, the first surface being substantially parallel to the insertion direction of the container into the carriage;
a memory device having [at least one electrode] a plurality of electrodes disposed substantially in a first plane for respective electrical connection to the [electrode] electrodes of the carriage, the [at least one electrode] electrodes of the memory device being fixed relative to the first surface of the container; and
a retaining member disposed on the first surface of the container, and having a movable engagement portion that can shift position relative to the first surface of the container and which is located at a trailing end side relative to the [at least one electrode] electrodes of the memory device in the insertion direction of the container into the carriage, and which is engageable with the engagement portion of the carriage,
wherein at least one said electrode, the movable engagement portion, and an axis of the ink supply port are intersected by a second plane that is perpendicular to the first plane.
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