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Extract from the Register of European Patents

EP About this file: EP0981062

EP0981062 - Nuclear magnetic resonance logging with azimuthal resolution using gradient coils [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  23.06.2006
Database last updated on 21.09.2024
Most recent event   Tooltip25.07.2008Change - representativepublished on 27.08.2008  [2008/35]
Applicant(s)For all designated states
Schlumberger Holdings Limited
P.O. Box 71
Craigmuir Chambers
Road Town, Tortola / VG
[N/P]
Former [2000/08]For all designated states
SCHLUMBERGER HOLDINGS LIMITED
P.O. Box 71, Craigmuir Chambers
Road Town, Tortola / VG
Inventor(s)01 / Ganesan, Krishnamurthy
918 Tyler Run
Sugar Land, Texas 77479 / US
02 / Heidler, Ralf
5010 Grove West Boulevard, No. 1909
Stafford, Texas 77477 / US
03 / Speier, Peter
10502 Fountain Lake Drive, No. 1531
Stafford, Texas 77477 / US
04 / Crary, Steven
14 Howell Lane
Sugar Land, Texas 77479 / US
05 / Luong, Bruno
10502 Fountain Lake Drive, No. 1737
Stafford, Texas 77477 / US
[2000/08]
Representative(s)Hyden, Martin Douglas
Etudes et Productions Schlumberger
Intellectual Property Department
1 rue Henri Becquerel
B.P. 202
92142 Clamart Cedex / FR
[N/P]
Former [2008/35]Hyden, Martin Douglas
Etudes et Productions Schlumberger Intellectual Property Department 1 Rue Henri Becquerel B.P. 202
92142 Clamart Cedex / FR
Former [2002/35]Hyden, Martin
Intellectual Property Law Department Schlumberger Riboud Product Centre 1, rue Becquerel, BP 202
92142 Clamart / FR
Former [2000/08]Hagel, Francis
Etudes et Productions Schlumberger A L'ATTENTION DU SERVICE BREVETS 26, rue de la Cavée B.P. 202
92142 Clamart Cédex / FR
Application number, filing date99202224.407.07.1999
[2000/08]
Priority number, dateUS19980094680P30.07.1998         Original published format: US 94680 P
US1998018695105.11.1998         Original published format: US 186951
[2000/08]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0981062
Date:23.02.2000
Language:EN
[2000/08]
Type: A3 Search report 
No.:EP0981062
Date:18.12.2002
[2002/51]
Search report(s)(Supplementary) European search report - dispatched on:EP31.10.2002
ClassificationIPC:G01V3/32
[2000/08]
CPC:
G01N24/081 (EP); G01V3/32 (EP); G01R33/385 (EP)
Designated contracting statesDE,   GB,   NL [2003/37]
Former [2000/08]AT,  BE,  CH,  CY,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE 
TitleGerman:Kernspinresonanz-Bohrlochmessung mit azimuthaler Auflösung unter Benutzung von Gradient-Sspulen[2000/08]
English:Nuclear magnetic resonance logging with azimuthal resolution using gradient coils[2000/08]
French:Diagraphie à résonance magnétique nucléaire avec résolution azimuthale utilisant des bobines à gradient[2000/08]
Examination procedure12.08.2003Examination requested  [2003/51]
01.02.2006Application deemed to be withdrawn, date of legal effect  [2006/30]
13.03.2006Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [2006/30]
Fees paidRenewal fee
11.07.2001Renewal fee patent year 03
12.07.2002Renewal fee patent year 04
14.07.2003Renewal fee patent year 05
14.07.2004Renewal fee patent year 06
Penalty fee
Penalty fee Rule 85b EPC 1973
18.03.2004M01   Fee paid on   22.03.2004
Additional fee for renewal fee
31.07.200507   M06   Not yet paid
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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[YD]US5557201  (KLEINBERG ROBERT L ET AL) [YD] 1,24,27,41,45,70 * column 2, line 56 - column 3, line 13; figure 1 *;
 [YA]US4715383  (EHMAN RICHARD L ET AL) [Y] 1,24,27,41,45,70 * column 2, line 21 - line 37 * * column 6, line 6 - line 15 * * column 6, line 56 - column 7, line 34 * [A] 3,4,7,11,12,29,30,47,48;
 [A]US5270649  (LAUKIEN GUNTHER) [A] 1,27 * column 12, line 38 - column 13, line 2 *;
 [A]US4769602  (VINEGAR HAROLD J ET AL) [A] 1,27 * column 3, line 60 - line 63 * * column 4, line 15 - line 38 * * figure 1 *
 [A]  - LEE S Y ET AL, "LOCALIZED VOLUME SELECTION TECHNIQUE USING AN ADDITIONAL RADIAL GRADIENT COIL", MAGNETIC RESONANCE IN MEDICINE, ACADEMIC PRESS, DULUTH, MN, US, (19891001), vol. 12, no. 1, ISSN 0740-3194, pages 56 - 63, XP000081155 [A] 1,5,9,10,13,16,17,31,42,44,49 * page 58 - page 61; figure 1A *
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.