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Extract from the Register of European Patents

EP About this file: EP0428747

EP0428747 - METHOD AND APPARATUS OF FILTERING MEDIUM CIRCULATION TYPE FOR PURIFYING CONTAMINATED WATER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  08.07.1995
Database last updated on 20.07.2024
Most recent event   Tooltip23.07.2004Lapse of the patent in a contracting state
New state(s): ES
published on 08.09.2004  [2004/37]
Applicant(s)For all designated states
IWAI, Isamu
12-14, Shimosueyoshi 1-chome Tsurumi-ku Yokohama-shi
Kanagawa 230 / JP
For all designated states
NIRASAWA, Chikatsu
13-7, Bunnka 1-chome Sumida-ku
Tokyo 131 / JP
[1991/22]
Inventor(s)01 / see applicant
...
[1991/22]
Representative(s)Gold, Tibor Zoltán, et al
Kilburn & Strode LLP 20 Red Lion Street
London WC1R 4PJ / GB
[N/P]
Former [1991/22]Gold, Tibor Z., et al
Stephenson Harwood One, St. Paul's Churchyard
London EC4M 8SH / GB
Application number, filing date90907490.823.05.1990
[1991/22]
WO1990JP00659
Priority number, dateJP1989013431426.05.1989         Original published format: JP 13431489
[1991/22]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9014313
Date:29.11.1990
Language:EN
[1990/27]
Type: A1 Application with search report 
No.:EP0428747
Date:29.05.1991
Language:EN
The application published by WIPO in one of the EPO official languages on 29.11.1990 takes the place of the publication of the European patent application.
[1991/22]
Type: B1 Patent specification 
No.:EP0428747
Date:07.09.1994
Language:EN
[1994/36]
Search report(s)International search report - published on:JP29.11.1990
(Supplementary) European search report - dispatched on:EP12.09.1991
ClassificationIPC:C02F3/08, C02F3/10
[1991/22]
CPC:
C02F3/2873 (EP); C02F3/08 (KR); B01D24/28 (EP);
C02F3/087 (EP); C02F3/10 (KR); C02F3/223 (EP);
C02F3/2806 (EP); Y02W10/10 (EP) (-)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1991/22]
TitleGerman:VERFAHREN UND VORRICHTUNG VOM TYP DES ZIRKULIERENDEN FILTERMEDIUMS ZUR REINIGUNG VON VERUNREINIGTEM WASSER[1991/22]
English:METHOD AND APPARATUS OF FILTERING MEDIUM CIRCULATION TYPE FOR PURIFYING CONTAMINATED WATER[1991/22]
French:PROCEDE ET APPAREIL DU TYPE A CIRCULATION DE MILIEU FILTRANT POUR LA PURIFICATION D'EAU CONTAMINEE[1991/22]
Entry into regional phase08.01.1991Translation filed 
28.12.1990National basic fee paid 
28.12.1990Search fee paid 
28.12.1990Designation fee(s) paid 
28.12.1990Examination fee paid 
Examination procedure08.01.1991Examination requested  [1991/22]
07.08.1992Despatch of a communication from the examining division (Time limit: M04)
25.11.1992Reply to a communication from the examining division
11.01.1993Despatch of a communication from the examining division (Time limit: M06)
11.05.1993Reply to a communication from the examining division
02.06.1993Despatch of a communication from the examining division (Time limit: M04)
03.06.1993Reply to a communication from the examining division
26.06.1993Despatch of a communication from the examining division (Time limit: M04)
10.08.1993Reply to a communication from the examining division
22.11.1993Despatch of communication of intention to grant (Approval: Yes)
08.02.1994Communication of intention to grant the patent
24.03.1994Fee for grant paid
24.03.1994Fee for publishing/printing paid
14.06.1994Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time
Opposition(s)08.06.1995No opposition filed within time limit [1995/35]
Request for further processing for:04.07.1994Request for further processing filed
05.07.1994Full payment received (date of receipt of payment)
Request granted
20.07.1994Decision despatched
Fees paidRenewal fee
15.05.1992Renewal fee patent year 03
01.06.1993Renewal fee patent year 04
24.03.1994Renewal 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  TooltipAT23.05.1995
DK23.05.1995
GB23.05.1995
ES24.05.1995
SE24.05.1995
BE31.05.1995
CH31.05.1995
LI31.05.1995
LU31.05.1995
[2004/37]
Former [2000/06]AT23.05.1995
DK23.05.1995
GB23.05.1995
SE24.05.1995
BE31.05.1995
CH31.05.1995
LI31.05.1995
LU31.05.1995
Former [1997/13]AT23.05.1995
DK23.05.1995
GB23.05.1995
SE24.05.1995
BE31.05.1995
CH31.05.1995
LI31.05.1995
Former [1996/42]AT23.05.1995
DK23.05.1995
GB23.05.1995
SE24.05.1995
BE31.05.1995
Former [1996/30]DK23.05.1995
GB23.05.1995
SE24.05.1995
BE31.05.1995
Former [1996/22]GB23.05.1995
SE24.05.1995
BE31.05.1995
Former [1996/15]GB23.05.1995
SE24.05.1995
Former [1996/11]SE24.05.1995
Documents cited:Search   [ ] - No further relevant documents have been disclosed.
International searchJPH06340597B  [ ];
 JP6244799Y  [ ];
 JP6242799Y  [ ];
 JPS57132592  [ ] (EBARA INFILCO);
 JPS62262794  [ ] (SHIMIZU CONSTRUCTION CO LTD);
 JPH0612440B  [ ]
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.