EP0743370 - Grain oriented electrical steel having high volume resistivity and method for producing same [Right-click to bookmark this link] | Status | Patent revoked Status updated on 20.06.2008 Database last updated on 03.09.2024 | Most recent event Tooltip | 20.06.2008 | Revocation of patent | published on 23.07.2008 [2008/30] | Applicant(s) | For all designated states ARMCO INC. 705 Curtis Street Middletown Ohio 45044-3999 / US | [N/P] |
Former [1996/47] | For all designated states ARMCO INC. 705 Curtis Street Middletown, Ohio 45044-3999 / US | Inventor(s) | 01 /
Huppi, Glenn S. 80 Vista Court Monroe, Ohio 45050 / US | [1996/47] | Representative(s) | Beetz & Partner mbB Patentanwälte Prinzregentenstraße 54 80538 München / DE | [N/P] |
Former [1996/47] | Beetz & Partner Patentanwälte Steinsdorfstrasse 10 80538 München / DE | Application number, filing date | 96107594.2 | 13.05.1996 | [1996/47] | Priority number, date | US19950442459 | 16.05.1995 Original published format: US 442459 | [1996/47] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0743370 | Date: | 20.11.1996 | Language: | EN | [1996/47] | Type: | A3 Search report | No.: | EP0743370 | Date: | 01.04.1998 | [1998/14] | Type: | B1 Patent specification | No.: | EP0743370 | Date: | 21.11.2001 | Language: | EN | [2001/47] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.02.1998 | Classification | IPC: | C21D8/12 | [1996/47] | CPC: |
H01F1/14775 (EP,US);
C21D8/12 (KR);
C21D8/1255 (EP,US);
C21D8/1261 (EP,US);
C21D8/1283 (EP,US);
C21D9/46 (KR);
C22C38/02 (EP,US);
C21D3/04 (EP,US);
C21D8/1222 (EP,US);
| Designated contracting states | DE, FR, GB, IT, SE [1996/47] | Title | German: | Kornorientierter Elektrostahl mit erhöhtem elektrischen Durchgangswiderstand und ein Verfahren zur Herstellung desselben | [2001/28] | English: | Grain oriented electrical steel having high volume resistivity and method for producing same | [1996/47] | French: | Acier électrique à grains orientés présentant une résistance spécifique élevée et un procédé pour leur production | [2001/28] |
Former [1996/47] | Kornorientierte Elektrobleche mit erhöhtem elektrischen Durchgangswiderstand und ein Verfahren zum Herstellen dieser Bleche | ||
Former [1996/47] | Tôles d'acier électrique à grains orientés présentant une résistance spécifique élevée et un procédé pour leur production | Examination procedure | 21.09.1998 | Examination requested [1998/47] | 08.06.2000 | Despatch of a communication from the examining division (Time limit: M04) | 13.10.2000 | Reply to a communication from the examining division | 11.12.2000 | Despatch of communication of intention to grant (Approval: No) | 14.05.2001 | Despatch of communication of intention to grant (Approval: later approval) | 28.05.2001 | Communication of intention to grant the patent | 20.08.2001 | Fee for grant paid | 20.08.2001 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
21.08.2002
19.08.2003
ADMISSIBLE ThyssenKrupp Electrical Steel GmbH Altenberger Strasse 120 45143 Essen / DE Opponent's representative Simons, Johannes, et al, et al Cohausz & Florack Patent- und Rechtsanwälte Partnerschaftsgesellschaft mbB Bleichstraße 14 40211 Düsseldorf / DE | [N/P] |
Former [2002/42] | |||
Opponent(s) | 01
21.08.2002
ThyssenKrupp Electrical Steel GmbH Altenberger Strasse 120 45143 Essen / DE Opponent's representative Simons, Johannes, Dipl.-Ing., et al, et al Cohausz & Florack Patentanwälte Kanzlerstrasse 8 A 40472 Düsseldorf / DE | 04.10.2002 | Invitation to proprietor to file observations on the notice of opposition | 06.10.2003 | Reply of patent proprietor to notice(s) of opposition | 06.10.2004 | Date of oral proceedings | 26.10.2004 | Despatch of minutes of oral proceedings | 26.10.2004 | Despatch of communication that the patent will be revoked | 11.01.2008 | Legal effect of revocation of patent [2008/30] | Appeal following opposition | 29.12.2004 | Appeal received No. T0044/05 | 04.03.2005 | Statement of grounds filed | 11.01.2008 | Result of appeal procedure: appeal of the proprietor was rejected | 11.01.2008 | Date of oral proceedings | 30.01.2008 | Minutes of the oral proceedings despatched | Fees paid | Renewal fee | 22.04.1998 | Renewal fee patent year 03 | 23.04.1999 | Renewal fee patent year 04 | 25.04.2000 | Renewal fee patent year 05 | 20.04.2001 | Renewal fee patent year 06 |
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [AD]US3986902 (REGITZ LESTER J) [AD] 1,6,10 * claim 1 *; | [AD]US4596614 (MARDER ARNOLD R [US], et al) [AD] 1,6,10 * claim 1 *; | [AD]US5250123 (YASHIKI HIROYOSHI [JP], et al) [AD] 1,6,10 * claim 1 *; | [AD]US4979996 (KOBAYASHI HISASHI [JP], et al) [AD] 1,6,10 * claim 1 *; | [AD]US4898626 (SCHOEN JERRY W [US], et al) [AD] 1,6,10 * claim 1 *; | [AD]US3130092 (KOHLER DALE M, et al) [AD] 1,6,10 * claim 1 *; | [AD]US5346559 (USHIGAMI YOSHIYUKI [JP], et al) [AD] 1,6,10 * claim 1 *; | [A]EP0390140 (NIPPON STEEL CORP [JP]) [A] 1,6,10 * claim 1 *; | [A]EP0398114 (NIPPON STEEL CORP [JP]) [A] 1,6,10 * claim 1 *; | [A]EP0420238 (NIPPON STEEL CORP [JP]) [A] 1,6,10 * claim 1 *; | [A]EP0535651 (KAWASAKI STEEL CO [JP]) [A] 1,6,10 * claim 1 * | [AD] - SADAYORI T ET AL, "DEVELOPMENTS OF GRAIN ORIENTED SI-STEEL SHEETS WITH LOW IRON LOSS", KAWASAKI SEITETSU GIHO, JP, (1989), vol. 21, no. 3, pages 239 - 244, XP000196249 [AD] 1,6,10 * the whole document * |