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Extract from the Register of European Patents

EP About this file: EP0840292

EP0840292 - Track-curvature detection using clock phase shift in azimuth recording [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  15.08.2003
Database last updated on 05.07.2024
Most recent event   Tooltip15.08.2003Application deemed to be withdrawnpublished on 01.10.2003  [2003/40]
Applicant(s)For all designated states
Ampex Corporation
500 Broadway Redwood City
California 95063-3199 / US
[N/P]
Former [1998/19]For all designated states
Ampex Corporation
500 Broadway
Redwood City, California 95063-3199 / US
Inventor(s)01 / Hallamasek, Kurt F.
257 Marlow Drive, Oakland
California 94605 / US
02 / Kambies, Keith A.
34352 Gadwall Common, Fremont
California 94555 / US
03 / Varian, George R.
327 Addison Avenue, Palo Alto
California 94301 / US
[1998/19]
Representative(s)Horton, Andrew Robert Grant, et al
Bowles Horton
Felden House
Dower Mews
High Street
Berkhamsted, Hertfordshire HP4 2BL / GB
[N/P]
Former [1998/19]Horton, Andrew Robert Grant, et al
BOWLES HORTON Felden House Dower Mews High Street
Berkhamsted Hertfordshire HP4 2BL / GB
Application number, filing date97118808.129.10.1997
[1998/19]
Priority number, dateUS1996074196931.10.1996         Original published format: US 741969
[1998/19]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0840292
Date:06.05.1998
Language:EN
[1998/19]
Type: A3 Search report 
No.:EP0840292
Date:01.07.1998
[1998/27]
Search report(s)(Supplementary) European search report - dispatched on:EP20.05.1998
ClassificationIPC:G11B5/588, G11B21/10
[1998/28]
CPC:
G11B15/14 (EP,US); G11B5/584 (EP,US); G11B5/588 (EP,US);
G11B5/00869 (EP,US); G11B5/09 (EP,US)
Former IPC [1998/19]G11B5/588
Designated contracting statesDE,   FR,   GB [1999/11]
Former [1998/19]AT,  BE,  CH,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE 
TitleGerman:Erfassung der Spurbiegung mit Hilfe derTaktphasenverschiebung für eine Azimutaufzeichnung[1998/19]
English:Track-curvature detection using clock phase shift in azimuth recording[1998/19]
French:Détection de courbure de piste pour l'enregistrement avec azimuth, utilisant le décalage de phase de signaux d'horloge[1998/19]
Examination procedure04.01.1999Examination requested  [1999/10]
04.01.1999Loss of particular rights, legal effect: designated state(s)
12.05.1999Despatch of communication of loss of particular rights: designated state(s) AT
20.09.2002Despatch of a communication from the examining division (Time limit: M06)
02.04.2003Application deemed to be withdrawn, date of legal effect  [2003/40]
05.05.2003Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [2003/40]
Fees paidRenewal fee
14.10.1999Renewal fee patent year 03
11.10.2000Renewal fee patent year 04
11.10.2001Renewal fee patent year 05
15.10.2002Renewal fee patent year 06
Penalty fee
Penalty fee Rule 85a EPC 1973
04.03.1999AT   M01   Not yet paid
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Documents cited:Search[A]EP0368497  (AMPEX [US]) [A] 4,7 * column 5, line 6 - line 37 *;
 [D]US4935827  (OLDERSHAW REGINALD W [US], et al);
 [X]EP0409548  (MATSUSHITA ELECTRIC IND CO LTD [JP]) [X] 1-3 * column 6, line 30 - column 7, line 14 *
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.