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Extract from the Register of European Patents

EP About this file: EP1112433

EP1112433 - Roller cone drill bit, method of designing the same and rotary drilling system [Right-click to bookmark this link]
Former [2001/27]FORCE-BALANCED ROLLER-CONE BITS, SYSTEMS, DRILLING METHODS, AND DESIGN METHODS
[2003/47]
StatusOpposition procedure closed
Status updated on  12.05.2006
Database last updated on 20.12.2024
Most recent event   Tooltip01.02.2013Lapse of the patent in a contracting statepublished on 06.03.2013  [2013/10]
Applicant(s)For all designated states
HALLIBURTON ENERGY SERVICES, INC.
2601 Belt Line Road
Carrollton, TX 75006 / US
[N/P]
Former [2001/27]For all designated states
Halliburton Energy Services, Inc.
2601 Beltline Road
Carrollton, TX 75006 / US
Inventor(s)01 / CHEN, Shilin
15505 Hillcrest Road 2003
Dallas, TX 75248 / US
 [2001/27]
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[N/P]
Former [2002/51]HOFFMANN - EITLE
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München / DE
Former [2001/27]Lawrence, John
Barker Brettell 138 Hagley Road Edgbaston
Birmingham B16 9PW / GB
Application number, filing date99945375.631.08.1999
[2001/27]
WO1999US19991
Priority number, dateUS19980098466P31.08.1998         Original published format: US 98466 P
[2001/27]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO0012859
Date:09.03.2000
Language:EN
[2000/10]
Type: A2 Application without search report 
No.:EP1112433
Date:04.07.2001
Language:EN
The application published by WIPO in one of the EPO official languages on 09.03.2000 takes the place of the publication of the European patent application.
[2001/27]
Type: B1 Patent specification 
No.:EP1112433
Date:14.01.2004
Language:EN
[2004/03]
Search report(s)International search report - published on:US08.06.2000
(Supplementary) European search report - dispatched on:EP28.08.2002
ClassificationIPC:E21B10/16
[2001/27]
CPC:
E21B10/16 (EP,US); E21B10/08 (EP,US)
Designated contracting statesGB,   IT [2004/03]
Former [2001/27]AT,  BE,  CH,  CY,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE 
Extension statesALNot yet paid
LTNot yet paid
LVNot yet paid
MKNot yet paid
RONot yet paid
SINot yet paid
TitleGerman:Rollenbohrmeissel, zugehöriges Entwurfsverfahren und Drehbohrsystem[2003/47]
English:Roller cone drill bit, method of designing the same and rotary drilling system[2003/47]
French:Trépan à cônes, procédé pour sa conception et système de forage rotatif[2003/47]
Former [2001/27]KRAFTMÄSSIG AUSGEGLICHENER ROLLENMEISSEL, SYSTEME, BOHRVERFAHREN UND ENTSPRECHENDE KONSTRUKTIONSMETHODEN
Former [2001/27]FORCE-BALANCED ROLLER-CONE BITS, SYSTEMS, DRILLING METHODS, AND DESIGN METHODS
Former [2001/27]TREPANS A CONES, SYSTEMES DE FORAGE ET PROCEDES DE FORAGE A FORCES COMPENSEES, ET PROCEDES DE CONCEPTION CORRESPONDANTS
Entry into regional phase02.03.2001National basic fee paid 
02.03.2001Search fee paid 
02.03.2001Designation fee(s) paid 
02.03.2001Examination fee paid 
Examination procedure23.03.2000Request for preliminary examination filed
International Preliminary Examining Authority: US
02.03.2001Examination requested  [2001/27]
24.05.2001Amendment by applicant (claims and/or description)
19.02.2003Despatch of a communication from the examining division (Time limit: M04)
27.06.2003Reply to a communication from the examining division
20.10.2003Communication of intention to grant the patent
11.11.2003Fee for grant paid
11.11.2003Fee for publishing/printing paid
Divisional application(s)EP03021140.3  / EP1389666
EP04025233.0  / EP1498573
EP04025234.8  / EP1498574
EP04025235.5  / EP1498575
Opposition(s)Opponent(s)01  13.10.2004  21.10.2004  WITHDRAWN
Smith International, Inc.
16740 Hardy Street
Houston, Texas 77032 / US
Opponent's representative
Potter, Julian Mark
Mintz, Levin, Cohn, Ferris, Glovsky and
Popeo IP, LLP
Alder Castle
10 Noble Street, London
EC2V 7JX / GB
 [N/P]
Former [2006/08]
Opponent(s)01  13.10.2004  21.10.2004  WITHDRAWN
Smith International, Inc.
16740 Hardy Street
Houston, Texas 77032 / US
Opponent's representative
Potter, Julian Mark
Mintz Levin Cohn Ferris Glovsky and Popeo Intellectual Property LLP, The Rectory, 9 Ironmonger Lane
London EC2V 8EY / GB
Former [2005/41]
Opponent(s)01  13.10.2004  21.10.2004  ADMISSIBLE
Smith International, Inc.
16740 Hardy Street
Houston, Texas 77032 / US
Opponent's representative
Potter, Julian Mark
Mintz Levin Cohn Ferris Glovsky and Popeo Intellectual Property LLP, The Rectory, 9 Ironmonger Lane
London EC2V 8EY / GB
Former [2004/50]
Opponent(s)01  13.10.2004  21.10.2004  ADMISSIBLE
Smith International, Inc.
16740 Hardy Street
Houston, Texas 77032 / US
Opponent's representative
Fennell, Gareth Charles, et al, et al
D Young & Co 120 Holborn
London EC1N 2DY / GB
18.11.2004Invitation to proprietor to file observations on the notice of opposition
19.08.2005Reply of patent proprietor to notice(s) of opposition
25.01.2006Despatch of communication that the opposition procedure will be closed
04.02.2006Legal effect of closure of opposition procedure [2006/24]
Fees paidRenewal fee
06.08.2001Renewal fee patent year 03
07.08.2002Renewal fee patent year 04
06.08.2003Renewal 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  TooltipGB27.07.2005
[2013/10]
Documents cited:Search[X]US4056153  (MIGLIERINI RAUL A) [X] 1-10,12,13 * column 5, line 28 - line 41; figure 7 *;
 [X]EP0384734  (AMOCO CORP [US]) [X] 11 * the whole document *
International search[A]US4815342  (BRETT JAMES F [US], et al);
 [A]US4627276  (BURGESS TREVOR M [US], et al);
 [A]US5415030  (JOGI PUSHKAR N [US], et al);
 [X]US1263802  (REED CLARENCE EDW [US]);
 [X]US1209299  (HUGHES HOWARD R [US]);
 [X]US1394769  (SAM SORENSEN);
 [A]US5305836  (HOLBROOK PHILIP [US], et al);
 [A]US5216917  (DETOURNAY EMMANUEL [GB])
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.