An Improved Structure of an Air Pump

Details for Australian Patent Application No. 2004101092 (hide)

Owner Chen, C.

Inventors Chen, Chi-Ming

Agent A.P.T. Patent and Trade Mark Attorneys

Pub. Number AU-A-2004101092

Filing date 30 December 2004

Opi date 3 February 2005

International Classifications

F04B 039/06 Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups - Cooling

F04B 039/00 Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups

F04B 035/04 Piston pumpsspecially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for

Event Publications

13 January 2005 Innovation Patent Application Filed

3 February 2005 Innovation Patent Open to Public Inspection

  Published as AU-A-2004101092

3 February 2005 Innovation Patent Sealed

28 July 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143A(d), or Expired. Examination has not been requested on this patent. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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