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EP0278142
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EP About this file: EP0278142
| EP0278142 - Process for the manufacture of thin film magnetic transducers [Right-click to bookmark this link] | Status | The application has been refused Status updated on 23.05.1990 Database last updated on 31.08.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states International Business Machines Corporation New Orchard Road Armonk, NY 10504 / US | [N/P] |
| Former [1988/33] | For all designated states International Business Machines Corporation Old Orchard Road Armonk, N.Y. 10504 / US | Inventor(s) | 01 /
Church, Mark Anthony 16580 Cypress Way Los Gatos, CA 95030 / US | [1988/33] | Representative(s) | Burt, Roger James IBM United Kingdom Limited Intellectual Property Department Hursley Park Winchester Hampshire SO21 2JN / GB | [N/P] |
| Former [1988/33] | Burt, Roger James, Dr. IBM United Kingdom Limited Intellectual Property Department Hursley Park Winchester Hampshire SO21 2JN / GB | Application number, filing date | 87301275.1 | 13.02.1987 | [1988/33] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0278142 | Date: | 17.08.1988 | Language: | EN | [1988/33] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.11.1987 | Classification | IPC: | G11B5/31, G11B5/187 | [1988/33] | CPC: |
B24B37/013 (EP,US);
G11B5/1871 (EP,US);
G11B5/3103 (EP,US);
G11B5/3166 (EP,US);
H10N50/01 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1988/33] | Title | German: | Verfahren zur Herstellung von magnetischen Dünnschichtwandlern | [1988/33] | English: | Process for the manufacture of thin film magnetic transducers | [1988/33] | French: | Procédé de fabrication de transducteurs magnétiques à film fin | [1988/33] | File destroyed: | 26.06.1996 | Examination procedure | 23.06.1987 | Examination requested [1988/33] | 07.11.1988 | Despatch of a communication from the examining division (Time limit: M06) | 05.05.1989 | Reply to a communication from the examining division | 28.06.1989 | Despatch of a communication from the examining division (Time limit: M04) | 26.10.1989 | Reply to a communication from the examining division | 05.02.1990 | Despatch of communication that the application is refused, reason: substantive examination [1990/28] | 15.02.1990 | Application refused, date of legal effect [1990/28] | Fees paid | Renewal fee | 25.02.1989 | Renewal fee patent year 03 | 24.02.1990 | 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]JP60193119 ; | [A]FR2166372 (PIONEER ELECTRONIC CORP); | [A]US3787638 (MURAI M); | [AD]US3821815 (SMITH S, et al) |