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Extract from the Register of European Patents

EP About this file: EP0329846

EP0329846 - A method and apparatus for measuring dynamic track misregistration [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  05.01.1995
Database last updated on 22.08.2024
Most recent event   Tooltip05.01.1995No opposition filed within time limitpublished on 22.02.1995 [1995/08]
Applicant(s)For all designated states
International Business Machines Corporation
New Orchard Road
Armonk, NY 10504 / US
[N/P]
Former [1989/35]For all designated states
International Business Machines Corporation
Old Orchard Road
Armonk, N.Y. 10504 / US
Inventor(s)01 / Chainer, Timothy J.
Barrett Hill Road
Mahopac New York 10541 / US
02 / Yarmchuk, Edward J.
Franklin Drive
Mahopac New York 10541 / US
[1989/35]
Representative(s)Schäfer, Wolfgang
IBM Deutschland
Informationssysteme GmbH
Patentwesen und Urheberrecht
70548 Stuttgart / DE
[N/P]
Former [1994/37]Schäfer, Wolfgang, Dipl.-Ing.
IBM Deutschland Informationssysteme GmbH Patentwesen und Urheberrecht
D-70548 Stuttgart / DE
Former [1994/09]Mönig, Anton, Dipl.-Ing.
IBM Deutschland Informationssysteme GmbH, Patentwesen und Urheberrecht
D-70548 Stuttgart / DE
Former [1989/35]Herzog, Friedrich Joachim, Dipl.-Ing.
Birkenstrasse 77
D-71155 Altdorf / DE
Application number, filing date88120954.815.12.1988
[1989/35]
Priority number, dateUS1988015895722.02.1988         Original published format: US 158957
[1989/35]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0329846
Date:30.08.1989
Language:EN
[1989/35]
Type: A3 Search report 
No.:EP0329846
Date:14.11.1990
Language:EN
[1990/46]
Type: B1 Patent specification 
No.:EP0329846
Date:02.03.1994
Language:EN
[1994/09]
Search report(s)(Supplementary) European search report - dispatched on:EP24.09.1990
ClassificationIPC:G11B21/10, G11B33/10
[1990/43]
CPC:
G11B33/10 (EP,US); G11B21/106 (EP,US)
Former IPC [1989/35]G11B21/10
Designated contracting statesDE,   FR,   GB [1989/35]
TitleGerman:Verfahren und Vorrichtung zur Messung einer falschen Spuraufzeichnung[1989/35]
English:A method and apparatus for measuring dynamic track misregistration[1989/35]
French:Méthode et dispositif pour mesurer un mauvais enregistrement de piste[1989/35]
Examination procedure14.12.1989Examination requested  [1990/06]
05.01.1993Despatch of communication of intention to grant (Approval: No)
14.07.1993Despatch of communication of intention to grant (Approval: later approval)
21.07.1993Communication of intention to grant the patent
12.10.1993Fee for grant paid
12.10.1993Fee for publishing/printing paid
Opposition(s)03.12.1994No opposition filed within time limit [1995/08]
Fees paidRenewal fee
10.12.1990Renewal fee patent year 03
13.12.1990Renewal fee patent year 04
10.12.1992Renewal fee patent year 05
21.12.1993Renewal fee patent year 06
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Documents cited:Search[A]JP61054473  ;
 [A]US4371960  (KROISS GERALD C);
 [A]US4513333  (YOUNG RONALD E [US], et al)
 [A]  - IEEE Transactions on Magnetics, MAG-23, Part II no. 5, September 1987, NY, USA pages 3687 - 3689; Bouchard et al.: "An investigation of non-repeatable spindle runout"
 [A]  - PATENT ABSTRACTS OF JAPAN vol. 10, no. 215 (P-481)(2271) 26 July 1986, & JP-A-61 054473 (SONY TEKTRONIX CORP) 18 March 1986,, & JP61054473 A 19860318
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.