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Extract from the Register of European Patents

EP About this file: EP0843774

EP0843774 - METHOD FOR CONTROLLED FRAGMENTATION OF HARD ROCK AND CONCRETE BY THE COMBINATION USE OF IMPACT HAMMERS AND SMALL CHARGE BLASTING [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  10.09.2004
Database last updated on 16.09.2024
Most recent event   Tooltip12.09.2008Change - representativepublished on 15.10.2008  [2008/42]
Applicant(s)For all designated states
RockTek Limited
Butler Street Pinjarra
Western Australia / AU
[N/P]
Former [1999/06]For all designated states
RockTek Limited
Butler Street
Pinjarra, Western Australia / AU
Former [1998/22]For all designated states
Bolinas Technologies, Inc.
22910 Pinecrest Road
Golden, CO 80401 / US
Inventor(s)01 / WATSON, John, David
34804 West Meadow Road
Evergreen, CO 80439 / US
02 / MICKE, Brian, P.
22901 Pinecrest Road
Golden, CO 80401 / US
[1998/22]
Representative(s)Evens, Paul Jonathan, et al
Maguire Boss
24 East Street
St. Ives, Cambridgeshire PE27 5PD / GB
[N/P]
Former [2008/42]Evens, Paul Jonathan, et al
Maguire Boss 24 East Street St. Ives Cambridge
PE27 5PD / GB
Former [1998/22]Evens, Paul Jonathan, et al
Maguire Boss, 5 Crown Street
St. Ives, Cambridge PE17 4EB / GB
Application number, filing date96928068.407.08.1996
[1998/22]
WO1996US12801
Priority number, dateUS1995000195607.08.1995         Original published format: US 1956
[1998/22]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9706348
Date:20.02.1997
Language:EN
[1997/09]
Type: A1 Application with search report 
No.:EP0843774
Date:27.05.1998
Language:EN
The application published by WIPO in one of the EPO official languages on 20.02.1997 takes the place of the publication of the European patent application.
[1998/22]
Type: B1 Patent specification 
No.:EP0843774
Date:05.11.2003
Language:EN
[2003/45]
Search report(s)International search report - published on:US20.02.1997
(Supplementary) European search report - dispatched on:EP21.01.2000
ClassificationIPC:E21C37/14, F42D3/04, E21C37/12, E21C25/02, E21B1/36
[2003/45]
CPC:
E21C37/16 (EP,US); E21B7/02 (EP,US); E21C25/02 (EP,US);
E21C37/00 (EP,US); E21C37/12 (EP,US); E21C37/14 (KR);
F42D3/04 (KR) (-)
Former IPC [2000/10]E21C3/02, E21C37/14, F42D3/04, E21C37/12, E21C25/02
Former IPC [1998/22]E21C3/02, E21C37/14, F42D3/04
Designated contracting statesAT,   CH,   DE,   ES,   FI,   FR,   GB,   GR,   IT,   LI,   PT,   SE [1998/22]
TitleGerman:VERFAHREN ZUM KONTROLLIERTEN ZERBRECHEN VON HARTEM GESTEIN UND BETON, MITTELS KOMBINIERTEN VERWENDUNGEN VON SCHLAGHAMMERN UND KLEINEN SPRENGLADUNGEN[2003/12]
English:METHOD FOR CONTROLLED FRAGMENTATION OF HARD ROCK AND CONCRETE BY THE COMBINATION USE OF IMPACT HAMMERS AND SMALL CHARGE BLASTING[1998/22]
French:PROCEDE POUR LA FRAGMENTATION MAITRISEE DE ROCHE DURE ET DE BETON PAR L'UTILISATION COMBINEE DE MARTEAUX A PERCUSSION ET D'EXPLOSIONS DE FAIBLE CHARGE[1998/22]
Former [1998/22]VERFAHREN ZUM KONTROLLIERTEN ZERBRECHEN VON HARTEM GESTEIN UND BETON, MITTELS KOMBINIERTEN VERWENDUNGEN VON SCHLAGHAMMERN UND KLEINE SPRENGLADUNGEN
Entry into regional phase02.03.1998National basic fee paid 
02.03.1998Search fee paid 
02.03.1998Designation fee(s) paid 
02.03.1998Examination fee paid 
Examination procedure07.03.1997Request for preliminary examination filed
International Preliminary Examining Authority: US
02.03.1998Examination requested  [1998/22]
28.12.2001Despatch of a communication from the examining division (Time limit: M04)
30.04.2002Reply to a communication from the examining division
27.06.2002Despatch of a communication from the examining division (Time limit: M06)
03.01.2003Reply to a communication from the examining division
11.02.2003Communication of intention to grant the patent
10.06.2003Fee for grant paid
10.06.2003Fee for publishing/printing paid
Opposition(s)06.08.2004No opposition filed within time limit [2004/44]
Fees paidRenewal fee
02.03.1998Renewal fee patent year 03
11.08.1999Renewal fee patent year 04
16.08.2000Renewal fee patent year 05
14.08.2001Renewal fee patent year 06
14.08.2002Renewal fee patent year 07
13.08.2003Renewal fee patent year 08
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
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  TooltipAT05.11.2003
CH05.11.2003
ES05.11.2003
FI05.11.2003
FR05.11.2003
IT05.11.2003
LI05.11.2003
GR05.02.2004
SE05.02.2004
DE06.02.2004
PT05.04.2004
[2008/06]
Former [2007/16]AT05.11.2003
CH05.11.2003
ES05.11.2003
FI05.11.2003
FR05.11.2003
LI05.11.2003
GR05.02.2004
SE05.02.2004
DE06.02.2004
Former [2006/14]AT05.11.2003
CH05.11.2003
FI05.11.2003
FR05.11.2003
LI05.11.2003
GR05.02.2004
SE05.02.2004
DE06.02.2004
Former [2004/44]AT05.11.2003
CH05.11.2003
FI05.11.2003
LI05.11.2003
GR05.02.2004
SE05.02.2004
DE06.02.2004
Former [2004/33]AT05.11.2003
CH05.11.2003
FI05.11.2003
LI05.11.2003
GR05.02.2004
SE05.02.2004
Former [2004/31]AT05.11.2003
FI05.11.2003
SE05.02.2004
Former [2004/26]FI05.11.2003
SE05.02.2004
Former [2004/24]SE05.02.2004
Documents cited:Search   [ ] - No further relevant documents disclosed
International search[A]US4080000  (PAURAT FRIEDRICH-WILHELM);
 [A]US5098163  (YOUNG CHAPMAN III [US]);
 [A]US5308149  (WATSON JOHN D [US], et al)
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.