Ink cartridges

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2007-10-23

2007-10-23

Huffman, Julian D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S007000, C347S019000

Reexamination Certificate

active

11692694

ABSTRACT:
An ink cartridge includes an ink chamber, and a movable member disposed within the ink chamber. The movable member includes a signal blocking portion, and a float portion. The ink cartridge also includes a guide, and the movable member is configured to move between a first position and a second position based at least on an amount of ink disposed within the ink chamber. Moreover, when the moveable member moves from the first position to the second position the moveable member slides along the guide.

REFERENCES:
patent: 2005/0068389 (2005-03-01), Katayama et al.
patent: 05001938 (1991-06-01), None
patent: 8281966 (1996-10-01), None
patent: 7314716 (1996-12-01), None
patent: 200434406 (2004-02-01), None

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