EP0344600 - Process for increasing scrap addition by preparing the scrap in the converter [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.02.1994 Database last updated on 22.04.2025 | Most recent event Tooltip | 28.02.1997 | Lapse of the patent in a contracting state | published on 16.04.1997 [1997/16] | Applicant(s) | For all designated states KLÖCKNER STAHL GMBH Klöcknerstrasse 29 47057 Duisburg / DE | [N/P] |
Former [1989/49] | For all designated states KLÖCKNER STAHL GMBH Klöcknerstrasse 29 D-47057 Duisburg / DE | Inventor(s) | 01 /
Langhammer, Hans Jürgen, Dr.-Ing. Wollaher Strasse 42 D-2863 Ritterhude / DE | [1989/49] | Representative(s) | (deleted) | [1993/47] |
Former [1993/13] | Röther, Peter, Dipl.-Phys., et al Patentabteilung Klöckner-Werke AG Klöcknerstrasse 29 D-47057 Duisburg / DE | ||
Former [1989/49] | Vomberg, Friedhelm, Dipl.-Phys. KLÖCKNER-WERKE AG Patentabteilung Klöcknerstrasse 29 D-47057 Duisburg / DE | Application number, filing date | 89109348.6 | 24.05.1989 | [1989/49] | Priority number, date | DE19883819031 | 03.06.1988 Original published format: DE 3819031 | [1989/49] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0344600 | Date: | 06.12.1989 | Language: | DE | [1989/49] | Type: | A3 Search report | No.: | EP0344600 | Date: | 21.03.1990 | Language: | DE | [1990/12] | Type: | B1 Patent specification | No.: | EP0344600 | Date: | 31.03.1993 | Language: | DE | [1993/13] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.01.1990 | Classification | IPC: | C21C5/28, C21C5/46 | [1989/49] | CPC: |
C21C5/562 (EP);
C21C5/28 (EP);
C21C5/35 (EP);
Y02P10/143 (EP);
Y02P10/20 (EP)
| Designated contracting states | AT, BE, CH, ES, FR, GB, GR, IT, LI, LU, NL, SE [1989/49] | Title | German: | Verfahren zur Schrottzusatzerhöhung durch Vorwärmen von Schrott im Konverter | [1989/49] | English: | Process for increasing scrap addition by preparing the scrap in the converter | [1989/49] | French: | Procédé pour augmenter l'addition de ferraille par un préchauffage de cette ferraille dans le convertisseur | [1989/49] | Examination procedure | 24.05.1989 | Examination requested [1989/49] | 28.10.1991 | Despatch of a communication from the examining division (Time limit: M04) | 17.01.1992 | Reply to a communication from the examining division | 17.03.1992 | Despatch of communication of intention to grant (Approval: Yes) | 01.09.1992 | Communication of intention to grant the patent | 15.09.1992 | Fee for grant paid | 15.09.1992 | Fee for publishing/printing paid | Opposition(s) | 04.01.1994 | No opposition filed within time limit [1994/12] | Fees paid | Renewal fee | 22.05.1991 | Renewal fee patent year 03 | 15.05.1992 | Renewal fee patent year 04 |
Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
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 | [Y]JP61096020 ; | [A]US3839017 (SCHEMPP E); | [Y]FR2272179 (USS ENG & CONSULT [US]); | [A]GB2011477 (MAXIMILIANSHUETTE EISENWERK); | [A]EP0059289 (KOBE STEEL LTD [JP]); | [A]GB2142655 (N PROIZV OB TULATSCHERMET) | [Y] - PATENT ABSTRACTS OF JAPAN, Band 10, Nr. 276 (C-373)[2832], 19. September 1986; & JP-A-61 096 020 (KAWASAKI STEEL CORP.) 14-05-1986, & JP61096020 A 00000000 |