Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Reexamination Certificate
2011-06-07
2011-06-07
Vo, Anh T. N. (Department: 2861)
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
C347S084000
Reexamination Certificate
active
07954936
ABSTRACT:
An ink cartridge includes an ink chamber configured to store ink. The ink chamber is defined by at least one wall, and an air layer is formed in the ink chamber between a surface of the ink and a portion of the wall. The ink cartridge also includes a pump for selectively supplying air to the air layer and to draw air from the air layer. An ink supply system includes a first ink tank including an ink chamber defined by at least one wall, and an air layer is formed in the ink chamber between a surface of the ink and a portion of the wall. The ink supply system also includes a pump for selectively supplying air to the air layer and to draw air from the air layer, and a second ink tank in fluid communication with the first ink tank.
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The State Intellectual Property Office of the People's Republic of China; Notification of First Office Action in Chinese Patent Application No. 200710149979.9 (counterpart to the above-captioned U.S. patent application).
Baker & Botts L.L.P.
Brother Kogyo Kabushiki Kaisha
Vo Anh T. N.
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