EP0868718 - CERAMIC WAFERS AND THIN FILM MAGNETIC HEADS [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.11.2000 Database last updated on 16.07.2024 | Most recent event Tooltip | 25.07.2008 | Change - representative | published on 27.08.2008 [2008/35] | Applicant(s) | For all designated states MINNESOTA MINING AND MANUFACTURING COMPANY 3M Center, P.O. Box 33427 St. Paul, MN 55133-3427 / US | [N/P] |
Former [1998/41] | For all designated states MINNESOTA MINING AND MANUFACTURING COMPANY 3M Center, P.O. Box 33427 St. Paul, Minnesota 55133-3427 / US | Inventor(s) | 01 /
CHIU, Raymond, C. P.O. Box 33427 Saint Paul, MN 55133-3427 / US | 02 /
SMITH, Robert, G. P.O. Box 33427 Saint Paul, MN 55133-3427 / US | 03 /
WEAVER, Billy, L. P.O. Box 33427 Saint Paul, MN 55133-3427 / US | [1998/41] | Representative(s) | Vossius & Partner Patentanwälte Rechtsanwälte mbB Siebertstrasse 3 81675 München / DE | [N/P] |
Former [2008/35] | Vossius & Partner Siebertstrasse 3 81675 München / DE | ||
Former [1998/41] | VOSSIUS & PARTNER Siebertstrasse 4 81675 München / DE | Application number, filing date | 96936856.2 | 23.10.1996 | [1998/41] | WO1996US16940 | Priority number, date | US19950575627 | 20.12.1995 Original published format: US 575627 | [1998/41] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9722967 | Date: | 26.06.1997 | Language: | EN | [1997/27] | Type: | A1 Application with search report | No.: | EP0868718 | Date: | 07.10.1998 | Language: | EN | The application published by WIPO in one of the EPO official languages on 26.06.1997 takes the place of the publication of the European patent application. | [1998/41] | Type: | B1 Patent specification | No.: | EP0868718 | Date: | 05.01.2000 | Language: | EN | [2000/01] | Search report(s) | International search report - published on: | EP | 26.06.1997 | Classification | IPC: | G11B5/60, G11B5/31 | [1998/41] | CPC: |
C04B41/009 (EP,US);
C04B35/117 (EP,US);
C04B41/5059 (EP,US);
C04B41/87 (EP,US);
G11B5/31 (EP,US);
H01F10/26 (EP,US);
C04B2111/00844 (EP,US);
Y10T428/24355 (EP,US);
Y10T428/24975 (EP,US);
| C-Set: |
C04B41/009, C04B35/10 (US,EP);
C04B41/009, C04B35/117 (US,EP);
C04B41/009, C04B35/48 (US,EP);
C04B41/5059, C04B41/4531 (EP,US) | Designated contracting states | DE, ES, FR, GB, IT [1998/41] | Title | German: | KERAMISCHE WAFER UND DÜNNFILM-MAGNETKÖPFE | [1998/41] | English: | CERAMIC WAFERS AND THIN FILM MAGNETIC HEADS | [1998/41] | French: | PLAQUETTES EN CERAMIQUE ET TETES MAGNETIQUES A COUCHE MINCE | [1998/41] | Entry into regional phase | 17.07.1998 | National basic fee paid | 17.07.1998 | Designation fee(s) paid | 17.07.1998 | Examination fee paid | Examination procedure | 15.07.1997 | Request for preliminary examination filed International Preliminary Examining Authority: EP | 17.07.1998 | Examination requested [1998/41] | 15.12.1998 | Despatch of communication of intention to grant (Approval: No) | 23.06.1999 | Despatch of communication of intention to grant (Approval: later approval) | 08.07.1999 | Communication of intention to grant the patent | 27.09.1999 | Fee for grant paid | 27.09.1999 | Fee for publishing/printing paid | Opposition(s) | 06.10.2000 | No opposition filed within time limit [2000/51] | Fees paid | Renewal fee | 05.10.1998 | Renewal fee patent year 03 | 04.10.1999 | Renewal fee patent year 04 |
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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. | Cited in | International search | [A]JPH0438707 ; | [A]JPH01201812 ; | [A]JPS58211316 ; | [YA]EP0137134 (HITACHI METALS LTD [JP]) [Y] 1-4,16-18,20 * page 5, line 16 - page 24, line 9; figure - * [A] 5-15,19; | [A]EP0515786 (READ RITE CORP [US]) [A] 1-3,17,18* page 3, column 3, line 18 - page 4, column 5, line 53; figure - *; | [YA]EP0582444 (CVD INC [US]) [Y] 1-4,16-18,20 * page 3, line 48 - page 10, line 46; figure - * [A] 5-15,19 | [A] - PATENT ABSTRACTS OF JAPAN, (19920521), vol. 16, no. 216, Database accession no. (P - 1356), & JP04038707 A 19920207 (MATSUSHITA) [A] 1-3,17,18 * abstract * | [A] - PATENT ABSTRACTS OF JAPAN, (19891113), vol. 13, no. 502, Database accession no. (P - 958), & JP01201812 A 19890814 (HITACHI) [A] 1-3,17,18 * abstract * | [A] - PATENT ABSTRACTS OF JAPAN, (19840327), vol. 8, no. 65, Database accession no. (P - 263), & JP58211316 A 19831208 (MATSUSHITA) [A] 1-3,17,18 * abstract * |