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EP0455472
European procedure
Extract from the Register of European Patents
EP About this file: EP0455472
| EP0455472 - Low noise amplifier with short circuit protection for signals from magnetoresistive element [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 10.06.1995 Database last updated on 09.09.2024 | Most recent event Tooltip | 10.06.1995 | No opposition filed within time limit | published on 02.08.1995 [1995/31] | Applicant(s) | For all designated states International Business Machines Corporation New Orchard Road Armonk, NY 10504 / US | [N/P] |
| Former [1991/45] | For all designated states International Business Machines Corporation Old Orchard Road Armonk, N.Y. 10504 / US | Inventor(s) | 01 /
Jove, Stephen Alan 401 Elkhorn Road Watsonville, California 95076 / US | 02 /
Klaassen, Klaas Berend 7171 Anjou Creek Circle San Jose, California 95120 / US | 03 /
Nomura, Calvin Shizuo 4122 Victoria Park Drive San Jose, California 95136 / US | 04 /
van Peppen, Jacobus Cornelius Leonardus 841 Portswood Circle San Jose, California 95120 / US | [1991/45] | Representative(s) | Burt, Roger James, et al IBM United Kingdom Limited Intellectual Property Department Hursley Park Winchester Hampshire SO21 2JN / GB | [N/P] |
| Former [1991/45] | Burt, Roger James, Dr., et al IBM United Kingdom Limited Intellectual Property Department Hursley Park Winchester Hampshire SO21 2JN / GB | Application number, filing date | 91303921.0 | 01.05.1991 | [1991/45] | Priority number, date | US19900517093 | 01.05.1990 Original published format: US 517093 | [1991/45] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0455472 | Date: | 06.11.1991 | Language: | EN | [1991/45] | Type: | B1 Patent specification | No.: | EP0455472 | Date: | 10.08.1994 | Language: | EN | [1994/32] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.08.1991 | Classification | IPC: | G01R33/06 | [1991/45] | CPC: |
G11B5/40 (EP,US);
G01R33/09 (EP,US);
G11B2005/0016 (EP,US)
| Designated contracting states | DE, FR, GB [1991/45] | Title | German: | Rauscharmer Verstärker mit Kurzschlussschutz für Signale von einem magnetoresistiven Element | [1991/45] | English: | Low noise amplifier with short circuit protection for signals from magnetoresistive element | [1991/45] | French: | Amplificateur à faible bruit avec protection contre les courts-circuits pour signaux d'un élément magnétorésistant | [1991/45] | Examination procedure | 19.12.1991 | Examination requested [1992/09] | 16.08.1993 | Despatch of communication of intention to grant (Approval: Yes) | 23.11.1993 | Communication of intention to grant the patent | 04.12.1993 | Fee for grant paid | 04.12.1993 | Fee for publishing/printing paid | Opposition(s) | 11.05.1995 | No opposition filed within time limit [1995/31] | Fees paid | Renewal fee | 19.05.1993 | Renewal fee patent year 03 | 19.05.1994 | 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. | Documents cited: | Search | [A]EP0251023 (IBM [US]); | [AD]EP0241770 (IBM [US]); | [AD]US4879610 (JOVE STEPHEN A [US], et al); | [A]DE3435867 (BOSCH GMBH ROBERT [DE]) |