Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Reexamination Certificate
2008-04-01
2008-04-01
Shah, Manish S. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
C347S084000, C347S085000
Reexamination Certificate
active
07350907
ABSTRACT:
Ink maintained at a negative pressure state is supplied to an ink-jet recording head via an ink supply mechanism constructed as a differential pressure valve having a coil spring and a movable membrane normally contacted elastically with a valve seat by the coil spring.
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Martin Laura E.
Seiko Epson Corporation
Shah Manish S.
Stroock & Stroock & Lavan LLP
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