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EP0843303
European procedure
Extract from the Register of European Patents
EP About this file: EP0843303
| EP0843303 - Spin-valve GMR sensor with inbound exchange stabilization [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 15.02.2002 Database last updated on 20.12.2024 | Most recent event Tooltip | 11.01.2003 | Lapse of the patent in a contracting state | published on 26.02.2003 [2003/09] | Applicant(s) | For all designated states READ-RITE CORPORATION 345 Los Coches Street Milpitas California 95035 / US | [N/P] |
| Former [1998/21] | For all designated states READ-RITE CORPORATION 345 Los Coches Street Milpitas California 95035 / US | Inventor(s) | 01 /
Ravipati, Durga P. 12138 Atrium Drive Saratoga, California 95070 / US | 02 /
Yuan, Samuel W. 160 Oaks View Drive San Carlos, California 94070 / US | [1998/21] | Representative(s) | Körber, Wolfhart, et al Mitscherlich & Partner Patentanwälte Sonnenstrasse 33 80331 München / DE | [N/P] |
| Former [1998/21] | Körber, Wolfhart, Dr. rer.nat., et al Patentanwälte Mitscherlich & Partner, Sonnenstrasse 33 80331 München / DE | Application number, filing date | 97118958.4 | 30.10.1997 | [1998/21] | Priority number, date | US19960748063 | 13.11.1996 Original published format: US 748063 | [1998/21] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0843303 | Date: | 20.05.1998 | Language: | EN | [1998/21] | Type: | A3 Search report | No.: | EP0843303 | Date: | 24.06.1998 | [1998/26] | Type: | B1 Patent specification | No.: | EP0843303 | Date: | 11.04.2001 | Language: | EN | [2001/15] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.05.1998 | Classification | IPC: | G11B5/00, G11B5/39 | [1998/24] | CPC: |
B82Y25/00 (EP,US);
G11B5/3932 (EP,US);
B82Y10/00 (EP,US);
G11B5/3903 (EP,US);
G11B2005/3996 (EP,US)
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| Former IPC [1998/21] | G11B5/00 | Designated contracting states | DE, NL [1999/10] |
| Former [1998/21] | AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE | Title | German: | Spin-Ventil GMR Sensor mit Austauschstabilisierung | [1998/21] | English: | Spin-valve GMR sensor with inbound exchange stabilization | [1998/21] | French: | Capteur GMR à valve de spin avec stabilisation d'échange | [1998/21] | Examination procedure | 27.10.1998 | Examination requested [1998/52] | 20.11.1998 | Despatch of a communication from the examining division (Time limit: M06) | 11.05.1999 | Reply to a communication from the examining division | 02.06.1999 | Despatch of a communication from the examining division (Time limit: M04) | 09.09.1999 | Reply to a communication from the examining division | 18.08.2000 | Despatch of communication of intention to grant (Approval: Yes) | 18.10.2000 | Communication of intention to grant the patent | 02.01.2001 | Fee for grant paid | 02.01.2001 | Fee for publishing/printing paid | Opposition(s) | 12.01.2002 | No opposition filed within time limit [2002/14] | Fees paid | Renewal fee | 29.10.1999 | Renewal fee patent year 03 | 30.10.2000 | 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. | Lapses during opposition Tooltip | NL | 11.04.2001 | [2003/09] | Documents cited: | Search | [A]US4771349 (TSANG CHING HWA [US]) [A] 1-22* the whole document *; | [X]US5285339 (CHEN MAO-MIN [US], et al) [X] 1,2 * column 4, line 15 - column 6, line 10; figures 2-5 *; | [Y]EP0694788 (IBM [US]) [Y] 6,7,11,12,15-17,21,22 * column 1, line 30 - column 2, line 41 * * column 8, line 54 - column 9, line 55; figure 5 *; | [XY]US5495378 (BONYHARD PETER I [US], et al) [X] 1-3,10 * column 1, line 25 - column 1, line 59 * * column 3, line 66 - column 9, line 33; figure 2 * [Y] 4,6-8,11,12,15-18,21,22; | [Y]WO9628812 (QUANTUM CORP [US]) [Y] 4,8,12,15,16,18 * page 7, line 27 - page 10, line 127; figure 2 * |