Ink cartridges

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2007-06-26

2007-06-26

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S084000, C347S085000

Reexamination Certificate

active

11536683

ABSTRACT:
An ink cartridge includes a first case having a particular opening formed therethrough, and a second case enclosed within the first case, in which the second case includes a particular wall. The ink cartridge also includes a signal blocking portion provided at the particular wall and extending in a predetermined direction into the particular opening, and the signal blocking portion divides the particular opening into a first opening portion and a second opening portion.

REFERENCES:
patent: 2004/0032471 (2004-02-01), King et al.
patent: 2005/0068389 (2005-03-01), Katayama et al.
patent: 2005/0162490 (2005-07-01), Katayama et al.
patent: 2006/0007278 (2006-01-01), Holland et al.
patent: 2006/0164482 (2006-07-01), Katayama et al.
patent: 7314716 (1995-12-01), None
patent: 2005297445 (2005-10-01), None

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