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Extract from the Register of European Patents

EP About this file: EP0255976

EP0255976 - Formation fluid sampler [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  26.09.1991
Database last updated on 03.10.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
Shell Internationale Research Maatschappij B.V.
Carel van Bylandtlaan 30
2596 HR Den Haag / NL
[N/P]
Former [1988/07]For all designated states
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
Carel van Bylandtlaan 30
NL-2596 HR Den Haag / NL
Inventor(s)01 / Pritchard, JR., John Jefferson
3700 Dulaney Drive
Harvey Louisiana 70058 / US
[1988/07]
Representative(s)Zeestraten, Albertus W. J., et al
Shell International B.V. Intellectual Property Services P.O. Box 384
2501 CJ The Hague / NL
[N/P]
Former [1991/39]Zeestraten, Albertus Wilhelmus Joannes, et al
Shell International B.V. P.O. Box 384
NL-2501 CJ The Hague / NL
Former [1988/07]Aalbers, Onno
P.O. Box 162
NL-2501 AN The Hague / NL
Application number, filing date87201449.328.07.1987
[1988/07]
Priority number, dateUS1986089043329.07.1986         Original published format: US 890433
[1988/07]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0255976
Date:17.02.1988
Language:EN
[1988/07]
Type: A3 Search report 
No.:EP0255976
Date:02.11.1989
Language:EN
[1989/44]
Search report(s)(Supplementary) European search report - dispatched on:EP11.09.1989
ClassificationIPC:E21B49/08, E21B33/124, E21B43/116, E21B47/06
[1988/07]
CPC:
E21B49/081 (EP,US); E21B43/116 (EP,US); E21B47/06 (EP,US)
Designated contracting statesDE,   FR,   GB,   NL [1988/07]
TitleGerman:Vorrichtung zur Probennahme von Formationsflüssigkeit[1988/07]
English:Formation fluid sampler[1988/07]
French:Echantillonneur pour fluide de formation[1988/07]
File destroyed:02.03.1998
Examination procedure20.03.1990Examination requested  [1990/20]
29.04.1991Despatch of communication of intention to grant (Approval: )
24.09.1991Application withdrawn by applicant  [1991/46]
Fees paidRenewal fee
05.06.1989Renewal fee patent year 03
28.05.1990Renewal fee patent year 04
10.06.1991Renewal fee patent year 05
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Documents cited:Search[A]US3087549  (BRUNTON ARTHUR F);
 [A]US3273659  (REYNOLDS JR FRANCOIS H K);
 [A]US3327781  (NUTTER BENJAMIN P);
 [A]US3384170  (POOLLEN HENDRIK K VAN);
 [A]US3455904  (HOPKIN EDMUND A)
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.