Symmetrically actuated ink ejection components for an ink jet printhead chip

Details for Australian Patent Application No. 2002325639 (hide)

Owner Silverbrook Research Pty Ltd

Inventors Silverbrook, KIA

Agent Silverbrook Research Pty Ltd

Pub. Number AU-B-2002325639

PCT Number PCT/AU02/01168

PCT Pub. Number WO2003/086765

Priority 10/120,439 12.04.02 US

Filing date 29 August 2002

Wipo publication date 27 October 2003

Acceptance publication date 25 January 2007

International Classifications

B41J 2/045 (2006.01) Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed - by pressure, e.g. electromechanical transducers

B41J 2/055 (2006.01) Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed - Devices for absorbing or preventing back-pressure

B41J 2/14 (2006.01) Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed - Structure thereof

B41J 2/16 (2006.01) Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed - Production of nozzles

Event Publications

23 January 2003 Complete Application Filed

  Priority application(s): 10/120,439 12.04.02 US

4 December 2003 Application Open to Public Inspection

  Published as AU-B-2002325639

25 January 2007 Application Accepted

  Published as AU-B-2002325639

24 May 2007 Standard Patent Sealed

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