Global Patent Index - EP 0905453 A3

EP 0905453 A3 2001-04-11 - Domestic hot water heater

Title (en)

Domestic hot water heater

Title (de)

Brauchwasserbereiter

Title (fr)

Réchauffeur d'eau chaude sanitaire

Publication

EP 0905453 A3 (DE)

Application

EP 98110530 A

Priority

DE 19742075 A

Abstract (en)

[origin: EP0905453A2] The secondary heat exchanger connects thermally a user water conduit to the hot water mains. A hot water accumulator compensates for the time loss caused by the heating of the primary heat exchanger. The hot water accumulator (35,31) is in close thermal contact with the plates of the secondary heat exchanger (30), forming a structural unit with it.

IPC 1-7 (main, further and additional classification)

F24D 3/08; F24H 1/52

IPC 8 full level (invention and additional information)

F24D 3/08 (2006.01); F24H 1/52 (2006.01); F28D 9/00 (2006.01)

CPC (invention and additional information)

F24D 3/087 (2013.01); F24H 1/52 (2013.01); F28D 9/005 (2013.01); F28D 9/0093 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 19742075 A1 19990325; AT 243306 T 20030715; EP 0905453 A2 19990331; EP 0905453 A3 20010411; EP 0905453 B1 20030618; EP 0905453 B2 20060301

INPADOC legal status


2015-05-29 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2015-04-09 [REG DE R119] APPLICATION DEEMED WITHDRAWN, OR IP RIGHT LAPSED, DUE TO NON-PAYMENT OF RENEWAL FEE

- Document: DE 59808742

- Effective date: 20150101

2015-03-27 [REG FR ST] NOTIFICATION OF LAPSE

- Effective date: 20150227

2015-02-25 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20140609

2015-01-01 [REG DE R119] APPLICATION DEEMED WITHDRAWN, OR IP RIGHT LAPSED, DUE TO NON-PAYMENT OF RENEWAL FEE

- Document: DE 59808742

2014-02-28 [PGFP IT] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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2013-02-15 [REG AT MM01] LAPSE BECAUSE OF NOT PAYING ANNUAL FEES

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2006-10-27 [ET3] FR: TRANSLATION FILED ** DECISION CONCERNING OPPOSITION

2006-05-31 [GBTA] GB: TRANSLATION OF AMENDED EP PATENT FILED (GB SECTION 77(6)(B)/1977)

- Effective date: 20060510

2006-03-01 [27A] MAINTAINED AS AMENDED

- Effective date: 20060301

2006-03-01 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B2

- Designated State(s): AT DE FR GB IT

2004-05-12 [26] OPPOSITION FILED

- Opponent name: VAILLANT GMBH

- Effective date: 20040315

2004-03-12 [ET] FR: TRANSLATION FILED

2003-11-19 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20031027

2003-07-24 [REF] CORRESPONDS TO:

- Document: DE 59808742 P 20030724

2003-06-18 [AK] DESIGNATED CONTRACTING STATES:

- Designated State(s): AT DE FR GB IT

2003-06-18 [REG GB FG4D] EUROPEAN PATENT GRANTED

- Free text: NOT ENGLISH

2002-01-02 [AKX] PAYMENT OF DESIGNATION FEES

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2001-12-12 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20011011

2001-04-11 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2001-04-11 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI

1999-03-31 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT DE FR GB IT

1999-03-31 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI