METHOD TO PREVENT SPECKS OR HAIRLINE CRACKS IN, AND PREMATURE FAILURE OF, AIRPLANE CYLINDER BARRELS

Details for Australian Patent Application No. 2002307556 (hide)

Owner TEXTRON LYCOMING

Inventors KIM, Yoon

Pub. Number AU-A-2002307556

PCT Number PCT/US02/13070

PCT Pub. Number WO2002/090617

Priority 09/851,688 09.05.01 US

Filing date 25 April 2002

Wipo publication date 18 November 2002

International Classifications

C23C 022/00 Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals

Event Publications

19 December 2002 Complete Application Filed

  Priority application(s): 09/851,688 09.05.01 US

1 May 2003 Application Open to Public Inspection

  Published as AU-A-2002307556

26 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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