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Extract from the Register of European Patents

EP About this file: EP0474365

EP0474365 - Filter cleaning [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  09.02.1995
Database last updated on 07.10.2024
Most recent event   Tooltip09.02.1995No opposition filed within time limitpublished on 29.03.1995 [1995/13]
Applicant(s)For all designated states
United Kingdom Atomic Energy Authority
Harwell Laboratory
Oxfordshire OX11 0RA / GB
[N/P]
Former [1994/14]For all designated states
UNITED KINGDOM ATOMIC ENERGY AUTHORITY
Harwell Laboratory
Oxfordshire OX11 0RA / GB
Former [1992/11]For all designated states
UNITED KINGDOM ATOMIC ENERGY AUTHORITY
11 Charles II Street
London SW1Y 4QP / GB
Inventor(s)01 / Turner, Andrew Derek
58 Hamble Drive
Abingdon, Oxfordshire / GB
02 / Dawson, Ronald Keith
20 Upthorpe Drive
Wantage, Oxfordshire / GB
[1992/11]
Representative(s)Mansfield, Peter Turquand, et al
Patents Department, AEA Technology plc, 329 Harwell
Didcot, Oxfordshire OX11 0QJ / GB
[N/P]
Former [1992/11]Mansfield, Peter Turquand, et al
United Kingdom Atomic Energy Authority Patents Department Building 329 Harwell Laboratory
Oxfordshire, OX11 0RA / GB
Application number, filing date91307215.306.08.1991
[1992/11]
Priority number, dateGB1990001921631.08.1990         Original published format: GB 9019216
[1992/11]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0474365
Date:11.03.1992
Language:EN
[1992/11]
Type: B1 Patent specification 
No.:EP0474365
Date:06.04.1994
Language:EN
[1994/14]
Search report(s)(Supplementary) European search report - dispatched on:EP08.01.1992
ClassificationIPC:B01D65/02, B01D61/14, B01D35/06, C25F1/00
[1992/11]
CPC:
C25F1/00 (EP,KR,US); B01D65/02 (EP,KR,US); B01D29/62 (EP,KR,US);
B01D35/06 (EP,KR,US); B01D61/425 (EP,KR,US); B01D65/08 (EP,KR,US);
B01D2321/185 (EP,KR,US); B01D2321/22 (EP,KR,US) (-)
Designated contracting statesDE,   ES,   FR,   IT [1992/11]
TitleGerman:Filterreinigung[1992/11]
English:Filter cleaning[1992/11]
French:Nettoyage de filtres[1992/11]
Examination procedure06.07.1992Examination requested  [1992/36]
21.10.1992Despatch of a communication from the examining division (Time limit: M04)
22.01.1993Reply to a communication from the examining division
17.06.1993Despatch of communication of intention to grant (Approval: Yes)
19.08.1993Communication of intention to grant the patent
18.10.1993Fee for grant paid
18.10.1993Fee for publishing/printing paid
Opposition(s)10.01.1995No opposition filed within time limit [1995/13]
Fees paidRenewal fee
21.07.1993Renewal fee patent year 03
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Documents cited:Search[A]EP0129447  (PALL CORP [US]);
 [A]EP0149938  (ELECTRICITE DE FRANCE [FR]);
 [AD]GB2160545  (ATOMIC ENERGY AUTHORITY UK);
 [A]EP0380266  (ALCAN INT LTD [CA])
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.