Extract from the Register of European Patents

EP About this file: EP0837732

EP0837732 - SEPARATING INTERMIXED MATERIALS OF DIFFERENT SPECIFIC GRAVITY [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.10.2001
Database last updated on 21.03.2026
Most recent event   Tooltip04.01.2008Lapse of the patent in a contracting state
New state(s): IT
published on 06.02.2008  [2008/06]
Applicant(s)For all designated states
KNELSON, Benjamin V.
19855-98th Avenue Langley
British Columbia V1M 2X5 / CA
[N/P]
Former [1998/18]For all designated states
KNELSON, Benjamin V.
19855-98th Avenue
Langley, British Columbia V1M 2X5 / CA
Inventor(s)01 / see applicant
...
[1998/18]
Representative(s)Pratt, David Martin
Withers & Rogers LLP
4 More London Riverside
London SE1 2AU / GB
[N/P]
Former [1998/18]Pratt, David Martin
Withers & Rogers, 4 Dyer's Buildings, Holborn
London EC1N 2JT / GB
Application number, filing date96922716.411.07.1996
[1998/18]
WO1996CA00482
Priority number, dateUS1995050201913.07.1995         Original published format: US 502019
US1995051147804.08.1995         Original published format: US 511478
[1998/18]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9702894
Date:30.01.1997
Language:EN
[1997/06]
Type: A1 Application with search report 
No.:EP0837732
Date:29.04.1998
Language:EN
The application published by WIPO in one of the EPO official languages on 30.01.1997 takes the place of the publication of the European patent application.
[1998/18]
Type: B1 Patent specification 
No.:EP0837732
Date:06.12.2000
Language:EN
[2000/49]
Search report(s)International search report - published on:EP30.01.1997
ClassificationIPC:B04B1/00, B04B1/14, B04B11/04
[1998/18]
CPC:
B04B11/02 (EP); B04B1/00 (EP); B04B1/10 (EP)
Designated contracting statesAT,   DE,   ES,   FR,   GB,   GR,   IE,   IT,   PT,   SE [1998/18]
TitleGerman:TRENNUNG VON GEMISCHTEN MATERIALIEN UNTERSCHIEDLICHEN SPEZIFISCHEN GEWICHTS[1998/18]
English:SEPARATING INTERMIXED MATERIALS OF DIFFERENT SPECIFIC GRAVITY[1998/18]
French:SEPARATION DE MATERIAUX MELANGES DE DIFFERENTES DENSITES[1998/18]
Entry into regional phase11.02.1998National basic fee paid 
11.02.1998Designation fee(s) paid 
11.02.1998Examination fee paid 
Examination procedure06.02.1997Request for preliminary examination filed
International Preliminary Examining Authority: EP
11.02.1998Examination requested  [1998/18]
13.01.1999Despatch of a communication from the examining division (Time limit: M04)
24.02.1999Reply to a communication from the examining division
11.10.1999Despatch of communication of intention to grant (Approval: Yes)
27.01.2000Communication of intention to grant the patent
29.03.2000Fee for grant paid
29.03.2000Fee for publishing/printing paid
Opposition(s)07.09.2001No opposition filed within time limit [2001/48]
Fees paidRenewal fee
22.07.1998Renewal fee patent year 03
21.06.1999Renewal fee patent year 04
25.09.2000Renewal fee patent year 05
Penalty fee
Additional fee for renewal fee
31.07.200005   M06   Fee paid on   25.09.2000
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Lapses during opposition  TooltipAT06.12.2000
ES06.12.2000
FR06.12.2000
IT06.12.2000
SE06.12.2000
PT06.03.2001
DE07.03.2001
GR09.03.2001
GB11.07.2001
IE11.07.2001
[2008/06]
Former [2006/14]AT06.12.2000
ES06.12.2000
FR06.12.2000
SE06.12.2000
PT06.03.2001
DE07.03.2001
GR09.03.2001
GB11.07.2001
IE11.07.2001
Former [2004/51]AT06.12.2000
ES06.12.2000
SE06.12.2000
PT06.03.2001
DE07.03.2001
GR09.03.2001
FR04.05.2001
GB11.07.2001
IE11.07.2001
Former [2002/48]AT06.12.2000
ES06.12.2000
SE06.12.2000
PT06.03.2001
DE07.03.2001
FR04.05.2001
GB11.07.2001
IE11.07.2001
Former [2002/37]AT06.12.2000
ES06.12.2000
SE06.12.2000
PT06.03.2001
DE07.03.2001
FR04.05.2001
GB11.07.2001
Former [2002/27]AT06.12.2000
ES06.12.2000
SE06.12.2000
PT06.03.2001
DE07.03.2001
FR04.05.2001
Former [2002/23]AT06.12.2000
SE06.12.2000
PT06.03.2001
DE07.03.2001
FR04.05.2001
Former [2002/15]AT06.12.2000
PT06.03.2001
DE07.03.2001
FR04.05.2001
Former [2002/11]AT06.12.2000
PT06.03.2001
FR04.05.2001
Former [2002/10]AT06.12.2000
FR04.05.2001
Former [2001/37]AT06.12.2000
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