Improved check valve

Details for Australian Patent Application No. 2008202006 (hide)

Owner Doig, I.

Inventors Doig, Ian Dracup

Agent Ian Dracup Doig

Pub. Number AU-A-2008202006

Priority 2007902382 07.05.07 AU

Filing date 6 May 2008

Wipo publication date 27 November 2008

International Classifications

F16K 7/07 (2006.01) Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage

F04B 15/02 (2006.01) Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts

F04B 43/02 (2006.01) Machines or pumps having flexible working members - having plate-like flexible members, e.g. diaphragms

F04B 53/10 (2006.01) Component parts, details or accessories not provided for in, or of interest apart from, groups or - Valves

F16K 15/16 (2006.01) Functional types

Event Publications

22 May 2008 Complete Application Filed

  Priority application(s): 2007902382 07.05.07 AU

27 November 2008 Application Open to Public Inspection

  Published as AU-A-2008202006

19 April 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

3 May 2012 Section 223 Application Allowed

  Doig, I. The time in which to request examination has been extended to 13 Apr 2012. Address for service in Australia - Ian Dracup Doig 94 Stingaree Point Drive Dora Creek NSW 2264

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