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Extract from the Register of European Patents

EP About this file: EP0448845

EP0448845 - Measure while drilling system [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.11.1995
Database last updated on 22.05.2024
Most recent event   Tooltip26.04.2002Lapse of the patent in a contracting statepublished on 12.06.2002  [2002/24]
Applicant(s)For:DE  ES  FR  GB  IT  NL 
Schlumberger Canada Limited
24th Floor, Monenco Place 801 6th Avenue S.W.
Calgary, Alberta / CA
[N/P]
Former [1992/50]For:DE  ES  FR  GB  IT  NL 
Schlumberger Canada Limited
24th Floor, Monenco Place, 801 6th Avenue S.W.
Calgary, Alberta / CA
Former [1991/40]For:DE  ES  GB  IT  NL 
Anadrill International SA
8 Calle Aquilino de la Guardia
Panama City / PA
For:FR 
SOCIETE DE PROSPECTION ELECTRIQUE SCHLUMBERGER
42, rue Saint-Dominique
F-75007 Paris / FR
Inventor(s)01 / Goodsman, William Gordon
5331 Grove Hill Rd. SW
Calgary, Alberta T3E467 / CA
[1991/40]
Representative(s)Hyden, Martin Douglas
Rouse Patents
1st Floor
228-240 Banbury Road
Oxford
Oxfordshire OX2 7BY / GB
[N/P]
Former [1992/50]Hyden, Martin Douglas
c/o Schlumberger Cambridge Research Limited PO Box 153
Cambridge CB3 OHG / GB
Former [1991/40]Dupont, Henri
c/o Schlumberger Cambridge Research Limited Post Box 153
Cambridge CB3 0HG / GB
Application number, filing date90200723.627.03.1990
[1991/40]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0448845
Date:02.10.1991
Language:EN
[1991/40]
Type: B1 Patent specification 
No.:EP0448845
Date:11.01.1995
Language:EN
[1995/02]
Search report(s)(Supplementary) European search report - dispatched on:EP29.11.1990
ClassificationIPC:E21B47/12, F16F9/20, F16K47/00
[1991/40]
CPC:
F16F9/20 (EP,US); E21B47/18 (EP,US); F16K47/00 (EP,US)
Designated contracting statesDE,   ES,   FR,   GB,   IT,   NL [1991/40]
TitleGerman:System für Bohrlochmessungen während des Bohrens[1991/40]
English:Measure while drilling system[1991/40]
French:Système pour diagraphie pendant le forage[1991/40]
Examination procedure01.04.1992Examination requested  [1992/22]
16.11.1992Despatch of a communication from the examining division (Time limit: M04)
13.03.1993Reply to a communication from the examining division
27.07.1993Despatch of a communication from the examining division (Time limit: M04)
27.11.1993Reply to a communication from the examining division
14.03.1994Despatch of communication of intention to grant (Approval: No)
27.06.1994Despatch of communication of intention to grant (Approval: later approval)
06.07.1994Communication of intention to grant the patent
21.09.1994Fee for grant paid
21.09.1994Fee for publishing/printing paid
Opposition(s)12.10.1995No opposition filed within time limit [1996/01]
Fees paidRenewal fee
10.01.1992Renewal fee patent year 03
13.02.1993Renewal fee patent year 04
22.02.1994Renewal fee patent year 05
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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  TooltipES11.01.1995
[2002/24]
Documents cited:Search[A]GB2157345  (DIES DOWNHOLE DRILLING INC);
 [AD]US2787759  (ARPS JAN J);
 [AD]CA978175  (MOBIL OIL CORP);
 [A]EP0140788  (SCHLUMBERGER TECHNOLOGY CORP [US]);
 [A]EP0309030  (ANADRILL INT SA [PA])
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.