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US007618135B2
(12) United States Patent ao) Patent No.: Us 7,618,135 B2
Stathem et al. (45) Date of Patent: Nov. 17,2009
(54) INKJET PRINTING SYSTEM WITH PUSH PRIMING
(75) Inventors: Ralph L. Stathem, Corvallis, OR (US);
David N. Olsen, Corvallis, OR (US)
(73) Assignee: Hewlett-Packard Development
Company, L.P., Houston, TX (US)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 387 days.
(21) Appl.No.: 11/387,159
(22) Filed: Mar. 22, 2006
(65) Prior Publication Data
US 2007/0222828 Al Sep. 27, 2007
(51) Int. CI.
B41J 2/175 (2006.01)
(52) U.S. CI 347/86
(58) Field of Classification Search None
See application file for complete search history.
(56) References Cited
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