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Extract from the Register of European Patents

EP About this file: EP0470160

EP0470160 - WELL CONTROL APPARATUS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.05.1995
Database last updated on 03.10.2024
Most recent event   Tooltip11.05.1995No opposition filed within time limitpublished on 28.06.1995 [1995/26]
Applicant(s)For all designated states
EXPLORATION AND PRODUCTION SERVICES (NORTH SEA) LIMITED
7/9 Cremyll Road Reading
Berkshire RG1 8NQ / GB
[N/P]
Former [1992/07]For all designated states
EXPLORATION AND PRODUCTION SERVICES (NORTH SEA) LIMITED
7/9 Cremyll Road
Reading, Berkshire RG1 8NQ / GB
Inventor(s)01 / EDWARDS, Jeffrey, Charles
27 Earls Park Crescent Bieldside
Aberdeen AB1 9AY / GB
02 / JOHNS, Ray
23 Baillieswells Road Bieldside
Aberdeen AB1 9BL / GB
03 / BUCHANAN, Robert, Donald
West Wing Belhelvie Lodge Belhelvie
Aberdeenshire AB4 0YU / GB
[1992/07]
Representative(s)Hooper, John Peter Lindesay
5 Haslingfield Road Harlton
Cambridge CB3 7ER / GB
[N/P]
Former [1992/07]Hooper, John Peter Lindesay
5 Haslingfield Road
Harlton, Cambridge CB3 7ER / GB
Application number, filing date90907239.920.04.1990
[1992/07]
WO1990GB00606
Priority number, dateGB1989000989228.04.1989         Original published format: GB 8909892
GB1990000658623.03.1990         Original published format: GB 9006586
[1992/07]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO9013731
Date:15.11.1990
[1990/26]
Type: A1 Application with search report 
No.:EP0470160
Date:12.02.1992
Language:EN
The application published by WIPO in one of the EPO official languages on 15.11.1990 takes the place of the publication of the European patent application.
[1992/07]
Type: B1 Patent specification 
No.:EP0470160
Date:06.07.1994
Language:EN
[1994/27]
Search report(s)International search report - published on:EP13.12.1990
ClassificationIPC:E21B34/10, // E21B49/08
[1992/07]
CPC:
E21B34/103 (EP,US)
Designated contracting statesDK,   FR,   NL [1992/07]
TitleGerman:STEUERVORRICHTUNG FÜR EIN BOHRLOCH[1992/07]
English:WELL CONTROL APPARATUS[1992/07]
French:APPAREIL DE CONTROLE POUR PUITS DE PETROLE[1992/07]
Entry into regional phase16.10.1991National basic fee paid 
16.10.1991Designation fee(s) paid 
16.10.1991Examination fee paid 
Examination procedure27.11.1990Request for preliminary examination filed
International Preliminary Examining Authority: DE
18.10.1991Examination requested  [1992/07]
08.12.1992Despatch of a communication from the examining division (Time limit: M04)
13.03.1993Reply to a communication from the examining division
31.08.1993Despatch of communication of intention to grant (Approval: Yes)
22.12.1993Communication of intention to grant the patent
14.03.1994Fee for grant paid
14.03.1994Fee for publishing/printing paid
Opposition(s)07.04.1995No opposition filed within time limit [1995/26]
Fees paidRenewal fee
10.04.1992Renewal fee patent year 03
25.03.1993Renewal fee patent year 04
20.04.1994Renewal fee patent year 05
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Cited inInternational searchGB2074634  [ ] (HALLIBURTON CO);
 GB2080365  [ ] (VANN ROY RANDELL, et al);
 US4125165  [ ] (HELMUS SYDNEY S)
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.