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EP0557994
European procedure
Extract from the Register of European Patents
EP About this file: EP0557994
| EP0557994 - Device for energy-saving hot water production [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 17.07.1998 Database last updated on 28.03.2026 | Most recent event Tooltip | 28.12.2007 | Lapse of the patent in a contracting state Updated state(s): FR | published on 30.01.2008 [2008/05] | Applicant(s) | For all designated states Müller, Friedrich Dahlienweg 12 D-74589 Satteldorf / DE | [1994/17] |
| Former [1993/35] | For all designated states Müller, Friedrich Drei-König-Weg 16 D-74564 Crailsheim / DE | Inventor(s) | 01 /
see applicant ... | [1993/35] | Representative(s) | von Hellfeld, Axel, et al Wuesthoff & Wuesthoff Patentanwälte PartG mbB Schweigerstrasse 2 81541 München / DE | [N/P] |
| Former [1993/35] | von Hellfeld, Axel, Dr. Dipl.-Phys., et al Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 D-81541 München / DE | Application number, filing date | 93102963.1 | 25.02.1993 | [1993/35] | Priority number, date | DE19924206078 | 27.02.1992 Original published format: DE 4206078 | [1993/35] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0557994 | Date: | 01.09.1993 | Language: | DE | [1993/35] | Type: | B1 Patent specification | No.: | EP0557994 | Date: | 10.09.1997 | Language: | DE | [1997/37] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.04.1993 | Classification | IPC: | F24D17/00 | [1993/35] | CPC: |
F24D17/00 (EP);
F24D17/0073 (EP);
F24H9/133 (EP);
F28D20/0039 (EP);
F28D2020/0078 (EP);
F28D2020/0082 (EP);
| Designated contracting states | AT, CH, DE, FR, IT, LI [1993/35] | Title | German: | Vorrichtung zur energiesparenden Warmwasserversorgung | [1993/35] | English: | Device for energy-saving hot water production | [1993/35] | French: | Dispositif pour la production d'eau chaude à économie d'énergie | [1993/35] | Examination procedure | 25.02.1993 | Examination requested [1993/35] | 11.07.1994 | Despatch of a communication from the examining division (Time limit: M04) | 26.10.1994 | Reply to a communication from the examining division | 20.04.1995 | Despatch of a communication from the examining division (Time limit: M04) | 27.07.1995 | Reply to a communication from the examining division | 06.12.1995 | Despatch of a communication from the examining division (Time limit: M06) | 20.05.1996 | Reply to a communication from the examining division | 21.11.1996 | Despatch of communication of intention to grant (Approval: Yes) | 14.03.1997 | Communication of intention to grant the patent | 12.06.1997 | Fee for grant paid | 12.06.1997 | Fee for publishing/printing paid | Opposition(s) | 11.06.1998 | No opposition filed within time limit [1998/36] | Fees paid | Renewal fee | 16.02.1995 | Renewal fee patent year 03 | 16.04.1996 | Renewal fee patent year 04 | 17.02.1997 | Renewal fee patent year 05 | Penalty fee | Additional fee for renewal fee | 29.02.1996 | 04 M06 Fee paid on 16.04.1996 |
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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 Tooltip | FR | 10.09.1997 | IT | 10.09.1997 | CH | 28.02.1998 | LI | 28.02.1998 | [2006/14] |
| Former [2000/17] | IT | 10.09.1997 | |
| FR | 06.02.1998 | ||
| CH | 28.02.1998 | ||
| LI | 28.02.1998 | ||
| Former [1999/42] | IT | 10.09.1997 | |
| FR | 06.02.1998 | ||
| Former [1998/35] | FR | 06.02.1998 | Cited in | Examination | DE3403859 | WO-A-91/08423 | DE-C- 3 403 859 |