COOLED SCREW-TYPE VACUUM PUMP

Details for Australian Patent Application No. 2002363666 (hide)

Owner LEYBOLD VAKUUM GMBH

Inventors BEHLING, Manfred; KRIEHN, Hartmut; ROFALL, Klaus; STEFFENS, Ralf

Pub. Number AU-A-2002363666

PCT Number PCT/EP02/12086

PCT Pub. Number WO2003/042541

Priority 101 56 180.6 15.11.01 DE

Filing date 30 October 2002

Wipo publication date 26 May 2003

International Classifications

F04C 018/16 Pumps specially adapted for elastic fluids - with helical teeth, e.g. chevron-shaped, screw type

F04C 018/08 Pumps specially adapted for elastic fluids - of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing

F01C 021/10 Component parts, details, or accessories, not provided for in groups

F04C 023/00 Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids

F04C 029/04 Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups - Heating

Event Publications

19 June 2003 Complete Application Filed

  Priority application(s): 101 56 180.6 15.11.01 DE

24 July 2003 Application Open to Public Inspection

  Published as AU-A-2002363666

29 July 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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