MULTI-STAGE PISTON-TYPE VACUUM PUMP AND METHOD FOR OPERATING THIS PUMP

Details for Australian Patent Application No. 2002346394 (hide)

Owner LEYBOLD VAKUUM GMBH

Inventors BAHNEN, Rudolf; HODAPP, Josef

Pub. Number AU-A-2002346394

PCT Number PCT/EP02/05126

PCT Pub. Number WO2002/099280

Priority 101 27 082.8 02.06.01 DE

Filing date 10 May 2002

Wipo publication date 16 December 2002

International Classifications

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

H02K 033/16 Motors with reciprocating, oscillating, or vibrating magnet, armature, or coil system

Event Publications

13 March 2003 Complete Application Filed

  Priority application(s): 101 27 082.8 02.06.01 DE

8 May 2003 Application Open to Public Inspection

  Published as AU-A-2002346394

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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