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EP0054601
European procedure
Extract from the Register of European Patents
EP About this file: EP0054601
| EP0054601 - Forced-circulation steam boiler [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 12.07.1991 Database last updated on 03.04.2025 | Most recent event Tooltip | 05.10.2005 | Change: Appeal number | Applicant(s) | For all designated states Gebrüder Sulzer Aktiengesellschaft Zürcherstrasse 9 CH-8401 Winterthur / CH | [N/P] |
| Former [1982/26] | For all designated states GEBRÜDER SULZER AKTIENGESELLSCHAFT Zürcherstrasse 9 CH-8401 Winterthur / CH | Inventor(s) | 01 /
Miszak, Pawel Neuwiesenstrasse 16 CH-8400 Winterthur / CH | [1982/26] | Representative(s) | (deleted) | [1991/25] |
| Former [1989/49] | Sparing Röhl Henseler Patentanwälte Postfach 14 04 43 D-40074 Düsseldorf / DE | ||
| Former [1982/26] | Dipl.-Ing. H. Marsch Dipl.-Ing. K. Sparing Dipl.-Phys.Dr. W.H. Röhl Patentanwälte Rethelstrasse 123 D-4000 Düsseldorf 1 / DE | Application number, filing date | 81100601.4 | 28.01.1981 | [1982/26] | Priority number, date | CH19800009497 | 23.12.1980 Original published format: CH 949780 | [1982/26] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0054601 | Date: | 30.06.1982 | Language: | DE | [1982/26] | Type: | B1 Patent specification | No.: | EP0054601 | Date: | 19.09.1984 | Language: | DE | [1984/38] | Type: | B2 New European patent specification | No.: | EP0054601 | Date: | 28.08.1991 | Language: | DE | [1991/35] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.10.1981 | Classification | IPC: | F22B29/06, F22B29/12 | [1982/26] | CPC: |
F22B29/12 (EP,US);
F22B29/062 (EP,US)
| Designated contracting states | DE, FR, IT, NL, SE [1984/38] |
| Former [1982/26] | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE | Title | German: | Zwanglaufdampferzeugeranlage | [1982/26] | English: | Forced-circulation steam boiler | [1982/26] | French: | Chaudière à vapeur à circulation forcée | [1982/26] | Examination procedure | 28.01.1981 | Examination requested [1982/26] | 25.02.1983 | Despatch of a communication from the examining division (Time limit: M04) | 28.06.1983 | Reply to a communication from the examining division | 17.08.1983 | Despatch of a communication from the examining division (Time limit: M04) | 14.10.1983 | Reply to a communication from the examining division | 09.12.1983 | Despatch of a communication from the examining division (Time limit: M04) | 16.12.1983 | Reply to a communication from the examining division | 14.02.1984 | Despatch of communication of intention to grant (Approval: ) | 09.03.1984 | Communication of intention to grant the patent | 26.04.1984 | Fee for grant paid | 26.04.1984 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
14.06.1985
30.07.1985
ADMISSIBLE Siemens Aktiengesellschaft Wittelsbacherplatz 2 80333 München / DE | [N/P] |
| Former [1988/01] | |||
| Opponent(s) | 01
14.06.1985
30.07.1985
ADMISSIBLE Siemens AG Postfach 22 16 34 D-80506 München / DE | ||
| Former [1985/35] | |||
| Opponent(s) | 01
14.06.1985
Siemens AG Postfach 22 16 34 D-80506 München / DE Opponent's representative Mehl, Ernst, Dipl.-Ing. Postfach 22 13 17 D-80503 München / DE | 01.08.1985 | Invitation to proprietor to file observations on the notice of opposition | 05.02.1986 | Reply of patent proprietor to notice(s) of opposition | 17.02.1986 | Communication of observations of patent proprietor (Time limit: M04) | 13.06.1986 | Reply of parties involved to observations of patent proprietor | 14.01.1988 | Despatch of communication that the patent will be revoked | 14.11.1990 | Despatch of interlocutory decision in opposition | 14.11.1990 | Date of oral proceedings | 20.11.1990 | Despatch of minutes of oral proceedings | 16.01.1991 | Legal effect of interlocutory decision in opposition | 03.04.1991 | Despatch of communication that the patent will be maintained as amended | 13.06.1991 | Fee for printing new specification paid | Appeal following opposition | 22.03.1988 | Appeal received No. T0139/88 | 21.05.1988 | Statement of grounds filed | 20.09.1989 | Invitation to file observations in an appeal (Time limit: M04) [1989/38] | 31.01.1990 | Date of receipt of observations in an appeal [1990/05] | 14.11.1990 | Result of appeal procedure: maintenance in amended form | Fees paid | Renewal fee | 18.01.1983 | Renewal fee patent year 03 | 13.01.1984 | Renewal fee patent year 04 | Penalty fee | Penalty fee Rule 85a EPC 1973 | 23.12.1981 | AT Not yet paid | 23.12.1981 | BE Not yet paid | 23.12.1981 | CH Not yet paid | 23.12.1981 | GB Not yet paid | 23.12.1981 | LU Not yet paid |
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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. | Documents cited: | Search | US1382220 [ ] (MURRAY THOMAS E); | DE736611 [ ] (DUERRWERKE AG); | DE1000828 [ ] (SIEMENS AG); | DE1015818 [ ] (SIEMENS AG); | FR1231916 [ ] (BABCOCK & WILCOX FRANCE); | FR1574394 [ ]; | CH477651 [ ] (SULZER AG [CH]); | GB2007340 [ ] (FOSTER WHEELER ENERGY CORP) |