Ink jet recording head and ink jet recording apparatus...

Details Ink jet recording head and ink jet recording apparatus... Ink jet recording head and ink jet recording apparatus...

2007-05-24

2010-10-19

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S065000

Reexamination Certificate

active

07815297

ABSTRACT:
An ink jet recording head for ejecting, through an ink ejection outlet, ink introduced through an ink supply port includes a first ink flow path in fluid communication with the ink supply port; a second ink flow path which is branched from the first ink flow path at a branch portion and which is in fluid communication with the ink ejection outlet; and a third ink flow path for fluid communication between the branch portion and an outside.

REFERENCES:
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patent: 7097287 (2006-08-01), Nakao et al.
patent: 2002/0113845 (2002-08-01), Yazawa et al.
patent: 1375398 (2002-10-01), None
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patent: 2004-216761 (2004-08-01), None
Official Letter dated Mar. 25, 2009 in corresponding Korean Patent Application No. 10-2007-52006.
Official Letter/Search Report issued by the European Patent Office on Sep. 20, 2007, in European Patent Application No. 07108965.0.

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