US Patent 7287845 Ink cartridges

An ink cartridge includes a particular wall having a first end and a second end opposite the first end, and an ink supply portion positioned at the particular wall and adjacent to the second end of the particular wall. The ink cartridge also includes a translucent portion extending outward from the particular wall and positioned at the particular wall between the first end of the particular wall and the ink supply portion. Moreover, the translucent portion has a first length which extends between the first end of the particular wall and the second end of the particular wall, and the translucent portion has a second length which extends perpendicular to the first length and parallel to the particular wall. Specifically, the first length is greater than the second length.