EP0415037 - Forced draught burner for heating boiler with waste gas recirculation [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 23.02.1995 Database last updated on 26.06.2024 | Most recent event Tooltip | 04.12.2009 | Change - representative | published on 06.01.2010 [2010/01] | Applicant(s) | For all designated states Viessmann, Hans, Dr. Schlossstrasse 3 95030 Hof/Saale / DE | [N/P] |
Former [1991/10] | For all designated states Viessmann, Hans, Dr. Schlossstrasse 3 D-95030 Hof/Saale / DE | Inventor(s) | 01 /
see applicant ... | [1991/10] | Representative(s) | Wolf, Günter An der Mainbrücke 16 63456 Hanau / DE | [N/P] |
Former [2010/01] | Wolf, Günter An der Mainbrücke 16 Postfach 700245 63427 Hanau / DE | ||
Former [1991/10] | Wolf, Günter, Dipl.-Ing. Postfach 70 02 45 D-63427 Hanau / DE | Application number, filing date | 90113114.4 | 10.07.1990 | [1991/10] | Priority number, date | DE19893928384 | 28.08.1989 Original published format: DE 3928384 | [1991/10] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0415037 | Date: | 06.03.1991 | Language: | DE | [1991/10] | Type: | A3 Search report | No.: | EP0415037 | Date: | 14.08.1991 | Language: | DE | [1991/33] | Type: | B1 Patent specification | No.: | EP0415037 | Date: | 20.04.1994 | Language: | DE | [1994/16] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.06.1991 | Classification | IPC: | F23D11/00, F23C9/00 | [1991/10] | CPC: |
F23C9/00 (EP,US);
F23D11/001 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1991/10] | Title | German: | Gebläsebrenner für Heizkessel mit Abgasrückführung | [1991/10] | English: | Forced draught burner for heating boiler with waste gas recirculation | [1991/10] | French: | Brûleur à air soufflé pour chaudière de chauffage avec recyclage des fumées | [1991/10] | Examination procedure | 25.10.1991 | Examination requested [1991/52] | 18.01.1993 | Despatch of a communication from the examining division (Time limit: M04) | 04.03.1993 | Reply to a communication from the examining division | 02.09.1993 | Despatch of communication of intention to grant (Approval: Yes) | 21.10.1993 | Communication of intention to grant the patent | 23.11.1993 | Fee for grant paid | 23.11.1993 | Fee for publishing/printing paid | Opposition(s) | 21.01.1995 | No opposition filed within time limit [1995/15] | Fees paid | Renewal fee | 15.07.1992 | Renewal fee patent year 03 | 09.07.1993 | Renewal fee patent year 04 |
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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 | GR | 20.04.1994 | SE | 20.04.1994 | LU | 31.07.1994 | [2002/23] |
Former [2000/04] | GR | 20.04.1994 | |
LU | 31.07.1994 | Documents cited: | Search | [A]DE1551733 (SCHWARZE ERHARD, et al); | [A]FR2208504 (KABOFIRE SA [FR]); | [A]DE2365186 (ELCO OELBRENNERWERK AG); | [APD]DE3820671 (VIESSMANN WERKE KG [DE]) |