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Extract from the Register of European Patents

EP About this file: EP0010817

EP0010817 - Apparatus for the exchange of heat by means of channels having a small diameter, and the use of this apparatus in different heating systems [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.09.2016
Database last updated on 03.10.2024
Most recent event   Tooltip14.09.2016No opposition filed within time limit 
Applicant(s)For all designated states
Akzo N.V.
Velperweg 76
NL-6824 BM Arnhem / NL
[N/P]
Former [1980/14]For all designated states
AKZO N.V.
Velperweg 76
NL-6824 BM Arnhem / NL
Former [1980/10]For all designated states
Akzo N.V.
Velperweg 76
NL-6826 BM Arnhem / NL
Inventor(s)01 / Vleggaar, Jan, Dr.
Lorentzlaan 36
NL-7002 HB Doetinchem / NL
02 / Korstanje, Hugo Peter, Ir.
Jachtlaan 8
NL-6891 CK Rozendaal / NL
[1981/01]
Former [1980/10]01 / Vleggaar, Jan, Dr.
Lorentzlaan 36
NL-7002 HB Dpetinchem / NL
02 / Korstanje, Hugo Peter, Ir.
Jachtlaan 8
NL-6891 CK Rozendaal / NL
Representative(s)Sieders, René, et al
AKZO NOBEL N.V. Patent Department (Dept. CO) P.O. Box 9300
6800 SB Arnhem / NL
[N/P]
Former [1980/10]Sieders, René, et al
AKZO NOBEL N.V. Patent Department (Dept. CO) P.O. Box 9300
NL-6800 SB Arnhem / NL
Application number, filing date79200637.102.11.1979
[1980/10]
Priority number, dateNL1978001100506.11.1978         Original published format: NL 7811005
NL1978001100606.11.1978         Original published format: NL 7811006
[1980/10]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0010817
Date:14.05.1980
Language:EN
[1980/10]
Type: B1 Patent specification 
No.:EP0010817
Date:16.03.1983
Language:EN
[1983/11]
Search report(s)(Supplementary) European search report - dispatched on:EP12.02.1980
ClassificationIPC:F28F21/06, F24J3/02
[1983/11]
CPC:
B60H1/00321 (EP); B60H1/00342 (EP); B60H1/039 (EP);
F28D7/0025 (EP); F28F1/022 (EP); F28F21/06 (EP);
F28F2275/02 (EP) (-)
Former IPC [1980/10]F28F21/06, F28F1/04, // F24J3/02, F28D1/04, F28D7/00, B60H1/02
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL,   SE [1980/10]
TitleGerman:Aus Kanälen mit kleinem Durchmesser gebildetes Wärmeaustauschgerät und seine Verwendung in verschiedenen Heizungssystemen[1980/10]
English:Apparatus for the exchange of heat by means of channels having a small diameter, and the use of this apparatus in different heating systems[1980/10]
French:Appareil échangeur de chaleur constitué par des canalisations à petit diamètre, et son utilisation dans différents systèmes de chauffage[1980/10]
Examination procedure20.11.1979Examination requested  [1980/10]
21.01.1981Despatch of a communication from the examining division (Time limit: M04)
18.04.1981Reply to a communication from the examining division
03.07.1981Despatch of a communication from the examining division (Time limit: M04)
01.10.1981Reply to a communication from the examining division
07.04.1982Despatch of communication of intention to grant (Approval: )
08.07.1982Communication of intention to grant the patent
02.09.1982Fee for grant paid
02.09.1982Fee for publishing/printing paid
Opposition(s)17.12.1983No opposition filed within time limit [ N /P ]
Fees paidRenewal fee
19.09.1981Renewal fee patent year 03
22.09.1982Renewal fee patent year 04
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Documents cited:SearchDE2414663  [ ] (RENNEBECK KLAUS);
 FR2339820  [ ] (JENAER GLASWERK SCHOTT & GEN [DE]);
 US3537935  [ ] (WITHERS MICHAEL SOMERVILLE);
 DE1601185  [ ] (DIETZSCH GMBH HANS JOACHIM);
 US3435893  [ ] (WITHERS MICHAEL S);
 US3616022  [ ] (WITHERS MICHAEL SOMERVILLE)
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.