METHODS AND SYSTEMS FOR REDUCING CLAMP VOLTAGES IN SURGE PROTECTION CIRCUITRY

Details for Australian Patent Application No. 2002255893 (hide)

Owner NORTHERN TECHNOLOGIES, INC.

Inventors BENTLEY, Gregory, L.

Pub. Number AU-A-2002255893

PCT Pub. Number WO2002/075890

Priority 09/812,760 20.03.01 US

Filing date 20 March 2002

Wipo publication date 3 October 2002

International Classifications

H02H 003/00 Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection

H02H 007/12 Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions - for static converters or rectifiers

H02H 009/00 Emergency protective circuit arrangements for limiting excess current or voltage without disconnection

H02H 009/04 Emergency protective circuit arrangements for limiting excess current or voltage without disconnection - responsive to excess voltage

H02H 003/20 Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - responsive to excess voltage

H02H 003/22 Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection

H02H 007/00 Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions

Event Publications

27 March 2003 Application Open to Public Inspection

  Published as AU-A-2002255893

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2002255894-METHOD AND APPARATUS FOR SUPPLYING CODED LABELS

2002255892-Methods and systems for enabling seamless roaming of mobile devices among wireless networks