Chemical feeder

Details for Australian Patent Application No. 2002239605 (hide)

Owner PPG Industries Ohio, Inc.

Inventors Ferguson, Richard H.; Pickens, Stanley R.

Agent Collison & Co

Pub. Number AU-B-2002239605

PCT Pub. Number WO02/48048

Priority 09/738,179 15.12.00 US

Filing date 10 December 2001

Wipo publication date 24 June 2002

Acceptance publication date 19 August 2004

International Classifications

C02F 001/00 Treatment of water, waste water, or sewage

Event Publications

19 August 2004 Application Accepted

  Published as AU-B-2002239605

16 December 2004 Standard Patent Sealed

3 July 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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