Extract from the Register of European Patents

About this file: EP1895648

EP1895648 - DC-DC converter circuits [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  21.08.2009
Database last updated on 22.05.2019
Most recent event   Tooltip21.08.2009Withdrawal of applicationpublished on 23.09.2009  [2009/39]
Applicant(s)For all designated states
Wolfson Microelectronics plc
Westfield House, 26 Westfield Road
Edinburgh, EH11 2QB / GB
[2008/10]
Inventor(s)01 / Lesso, John Paul
29B Cluny Gardens
Edinburgh, EH10 6BH / GB
02 / Pennock, John Laurence
39 Baberton Crescent
Edinburgh, EH14 5BW / GB
 [2008/10]
Representative(s)Rees, Simon John Lewis , et al
Haseltine Lake LLP
Redcliff Quay
120 Redcliff Street
Bristol BS1 6HU / GB
[N/P]
Former [2008/13]Rees, Simon John Lewis , et al
Haseltine Lake Redcliff Quay 120 Redcliff Street
Bristol BS1 6HU / GB
Former [2008/10]Gray, John James , et al
Murgitroyd & Company 165-169 Scotland Street
Glasgow G5 8PL / GB
Application number, filing date07115359.730.08.2007
[2008/10]
Priority number, dateGB2006001713931.08.2006         Original published format: GB 0617139
[2008/10]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1895648
Date:05.03.2008
Language:EN
[2008/10]
ClassificationInternational:H02M3/335
[2008/10]
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MT,   NL,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2008/10]
Extension statesALNot yet paid
BANot yet paid
HRNot yet paid
MKNot yet paid
RSNot yet paid
TitleGerman:Gleichspannungswandlerschaltungen[2008/10]
English:DC-DC converter circuits[2008/10]
French:Circuits de convertisseur CC-CC[2008/10]
Examination procedure29.07.2009Application withdrawn by applicant  [2009/39]