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Extract from the Register of European Patents

EP About this file: EP0420439

EP0420439 - Method of and apparatus for determining the position of a transducer [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  19.06.1998
Database last updated on 11.09.2024
Most recent event   Tooltip30.11.2007Lapse of the patent in a contracting state
Updated state(s): FR
published on 02.01.2008  [2008/01]
Applicant(s)For all designated states
SEAGATE TECHNOLOGY INTERNATIONAL
P.O. Box 309
Georgetown
Grand Cayman Island / KY
[N/P]
Former [1991/14]For all designated states
SEAGATE TECHNOLOGY INTERNATIONAL
c/o Maples & Calder, P.O. Box 309
Georgetown, Grand Cayman Island / KY
Inventor(s)01 / Weispfenning, Gerald Lee
3540, 11th Avenue South, Apartment 3
Minneapolis, Minnesota 55407 / US
02 / Goss, Lloyd Chambers
9501 Woodbridge Road
Bloomington, Minnesota 55438 / US
[1991/14]
Representative(s)Kenyon, Sarah Elizabeth, et al
Miller Sturt Kenyon
9 John Street
London
WC1N 2ES / GB
[N/P]
Former [1997/41]Kenyon, Sarah Elizabeth, et al
Orchard Kenyon & Co. Staple Inn Buildings North High Holborn
London WC1V 7PZ / GB
Former [1995/13]Sturt, Clifford Mark, et al
J. MILLER & CO. 34 Bedford Row Holborn
London WC1R 4JH / GB
Former [1993/26]Miller, Joseph
J. MILLER & CO. 34 Bedford Row, Holborn
London WC1R 4JH / GB
Former [1991/14]Caro, William Egerton
J. MILLER & CO. Lincoln House 296-302 High Holborn
London WC1V 7JH / GB
Application number, filing date90309907.511.09.1990
[1991/14]
Priority number, dateUS1989041550029.09.1989         Original published format: US 415500
[1991/14]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0420439
Date:03.04.1991
Language:EN
[1991/14]
Type: B1 Patent specification 
No.:EP0420439
Date:13.08.1997
Language:EN
[1997/33]
Search report(s)(Supplementary) European search report - dispatched on:EP05.02.1991
ClassificationIPC:G11B5/596
[1991/14]
CPC:
G11B5/5556 (EP,US)
Designated contracting statesDE,   FR,   GB,   IT,   NL [1991/14]
TitleGerman:Verfahren und Gerät zum Erfassen der Transduktorlage[1991/14]
English:Method of and apparatus for determining the position of a transducer[1991/14]
French:Méthode et appareil pour déterminer la position d'un transducteur[1991/14]
Examination procedure02.07.1991Examination requested  [1991/35]
14.01.1994Despatch of a communication from the examining division (Time limit: M06)
15.07.1994Reply to a communication from the examining division
29.03.1995Despatch of a communication from the examining division (Time limit: M04)
28.07.1995Reply to a communication from the examining division
19.06.1996Despatch of communication of intention to grant (Approval: Yes)
20.11.1996Communication of intention to grant the patent
17.01.1997Fee for grant paid
17.01.1997Fee for publishing/printing paid
Opposition(s)14.05.1998No opposition filed within time limit [1998/32]
Fees paidRenewal fee
28.08.1992Renewal fee patent year 03
18.08.1993Renewal fee patent year 04
18.08.1994Renewal fee patent year 05
16.08.1995Renewal fee patent year 06
28.08.1996Renewal fee patent year 07
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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  TooltipFR13.08.1997
IT13.08.1997
NL13.08.1997
[2004/35]
Former [2003/07]IT13.08.1997
NL13.08.1997
FR09.01.1998
Former [1999/42]IT13.08.1997
FR09.01.1998
Former [1998/35]FR09.01.1998
Documents cited:Search[Y]FR2309948  (BURROUGHS CORP [US]);
 [A]EP0094314  (DIGITAL EQUIPMENT CORP [US]);
 [Y]US4590526  (LAATT RICHARD G [US], et al)
 [A]  - IBM TECHNICAL DISCLOSURE BULLETIN. vol. 25, no. 6, November 1982, NEW YORK US pages 2910 - 2914; case et al: "hybrid position error signal generation for disk file"
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.