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Extract from the Register of European Patents

EP About this file: EP0923804

EP0923804 - METHOD FOR MANUFACTURING A DC MOTOR AND METHOD FOR FORMING A PERMANENT MAGNET FOR USE IN A DC MOTOR [Right-click to bookmark this link]
Former [1999/25]METHODS AND APPARATUS FOR IMPROVED DC MOTORS AND MAGNETIC CLUTCHES
[2006/10]
StatusNo opposition filed within time limit
Status updated on  26.10.2007
Database last updated on 07.10.2024
Most recent event   Tooltip26.10.2007No opposition filed within time limitpublished on 28.11.2007  [2007/48]
Applicant(s)For all designated states
MAXTOR CORPORATION
500 McCarthy Boulevard
Milpitas, CA 95035 / US
[2006/51]
Former [2004/40]For all designated states
Maxtor Corporation
500 McCarthy Bouöevard
Milpitas, CA 95035 / US
Former [2001/34]For all designated states
QUANTUM CORPORATION
501 Sycamore Drive
Milpitas, CA 95035 / US
Former [1999/25]For all designated states
QUANTUM CORPORATION
500 McCarthy Boulevard
Milpitas California 95035 / US
Inventor(s)01 / HARTMAN, Albert, L., W.
4013 Ben Lomond Drive
Palo Alto, CA 94306 / US
02 / LORIMER, Wendy, L.
39149 Guardino Drive 157
Fremont, CA 94538 / US
[1999/25]
Representative(s)Charig, Raymond Julian, et al
Potter Clarkson LLP The Belgrave Centre
Talbot Street
Nottingham NG1 5GG / GB
[N/P]
Former [1999/25]Charig, Raymond Julian, et al
Eric Potter Clarkson, Park View House, 58 The Ropewalk
Nottingham NG1 5DD / GB
Application number, filing date97940848.104.09.1997
[1999/25]
WO1997US15652
Priority number, dateUS1996071135004.09.1996         Original published format: US 711350
[1999/25]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9810504
Date:12.03.1998
Language:EN
[1998/10]
Type: A1 Application with search report 
No.:EP0923804
Date:23.06.1999
Language:EN
The application published by WIPO in one of the EPO official languages on 12.03.1998 takes the place of the publication of the European patent application.
[1999/25]
Type: B1 Patent specification 
No.:EP0923804
Date:20.12.2006
Language:EN
[2006/51]
Search report(s)International search report - published on:US12.03.1998
(Supplementary) European search report - dispatched on:EP01.10.2001
ClassificationIPC:H02K15/00, H02K21/12, H02K1/12, H02K21/22
[2001/46]
CPC:
H02K15/03 (EP,US); H02K1/2791 (EP,US); H02K21/22 (EP,US);
H02K29/03 (EP,US); Y10T29/49012 (EP,US)
Former IPC [1999/25]H02K15/00, H02K21/12, H02K1/12
Designated contracting statesDE,   GB [1999/25]
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINES GLEICHSTROMMOTORS UND VERFAHREN ZUR HERSTELLEN EINES DAUERMAGNETS FÜR EINEN GLEICHSTROMMOTOR[2006/10]
English:METHOD FOR MANUFACTURING A DC MOTOR AND METHOD FOR FORMING A PERMANENT MAGNET FOR USE IN A DC MOTOR[2006/10]
French:PROCEDE DE FABRICATION D'UN MOTEUR A COURANT CONTINU ET PROCEDE DE FABRICATION D'UN AIMANT PERMANENT POUR UN MOTEUR A COURANT CONTINU[2006/10]
Former [1999/25]VERFAHREN UND VORRICHTUNG FÜR VERBESSERTE GLEICHSTROMMOTOREN UND MAGNETISCHE KUPPLUNGEN
Former [1999/25]METHODS AND APPARATUS FOR IMPROVED DC MOTORS AND MAGNETIC CLUTCHES
Former [1999/25]PROCEDES ET APPAREIL DESTINES A DES MOTEURS A COURANT CONTINU ET A DES ACCOUPLEMENTS A AIMANT AMELIORES
Entry into regional phase05.03.1999National basic fee paid 
05.03.1999Search fee paid 
05.03.1999Designation fee(s) paid 
05.03.1999Examination fee paid 
Examination procedure01.04.1998Request for preliminary examination filed
International Preliminary Examining Authority: US
05.03.1999Examination requested  [1999/25]
30.05.2005Despatch of a communication from the examining division (Time limit: M06)
09.12.2005Reply to a communication from the examining division
20.04.2006Communication of intention to grant the patent
03.10.2006Fee for grant paid
03.10.2006Fee for publishing/printing paid
Opposition(s)21.09.2007No opposition filed within time limit [2007/48]
Request for further processing for:22.09.2006Request for further processing filed
29.09.2006Full payment received (date of receipt of payment)
Request granted
20.10.2006Decision despatched
Fees paidRenewal fee
21.01.2000Renewal fee patent year 03
28.08.2000Renewal fee patent year 04
26.09.2001Renewal fee patent year 05
13.11.2002Renewal fee patent year 06
12.09.2003Renewal fee patent year 07
14.09.2004Renewal fee patent year 08
14.09.2005Renewal fee patent year 09
27.09.2006Renewal fee patent year 10
Penalty fee
Additional fee for renewal fee
30.09.199903   M06   Fee paid on   21.01.2000
30.09.200206   M06   Fee paid on   13.11.2002
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Documents cited:Search[A]JPH07212994  ;
 [A]GB2089584  (OKUMA MACHINERY WORKS LTD) [A] 1,16,19 * abstract * * page 1, lines 61-119; figures 1-3 *;
 [A]DE3730615  (MARINESCU MARLENE [DE], et al) [A] 1,16,19 * abstract * * column 3, line 23 - column 5, line 51 * * column 6, line 19 - column 7, line 15; figures 1-8 *;
 [AX]DE3913276  (SIEMENS AG [DE]) [A] 1,19 * the whole document * [X] 16;
 [A]US5298827  (SUGIYAMA TAKESHI [JP]) [A] 16 * column A * * column 1, line 6 - column 2, line 25 ** column 3, line 15 - column 4, line 10; figures 1-3 *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19951226), vol. 1995, no. 11, & JP07212994 A 19950811 (TOSHIBA CORP) [A] 1,16,19 * abstract *
International search[A]US5030864  (VAN HOUT HENRICUS M [NL], et al);
 [X]US5355043  (KANEDA ISAO [JP]);
 [A]US5418414  (ACKERMANN BERND [DE], et al);
 [AP]US5652473  (DELAMARE JEROME [FR], et al)
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.