EP0015638 - Method of forming slide gate valve parts [Right-click to bookmark this link] | Status | Opposition rejected Status updated on 23.01.1986 Database last updated on 09.09.2024 | Most recent event Tooltip | 12.11.1999 | Lapse of the patent in a contracting state | published on 29.12.1999 [1999/52] | Applicant(s) | For all designated states KAISER ALUMINUM & CHEMICAL CORPORATION 865 Kaiser Building 300 Lakeside Drive Oakland California 94643 / US | [N/P] |
Former [1980/19] | For all designated states KAISER ALUMINUM & CHEMICAL CORPORATION 865 Kaiser Building 300 Lakeside Drive Oakland California 94643 / US | Inventor(s) | 01 /
Videtto, Ralph Benjamin 7461 Hillview Court Pleasanton California 94566 / US | [1980/19] | Representative(s) | Oliver, Roy Edward, et al W.P. THOMPSON & CO. 55 Drury Lane London WC2B 5SQ / GB | [N/P] |
Former [1980/19] | Oliver, Roy Edward, et al W.P. THOMPSON & CO. Celcon House 289-293 High Holborn London WC1V 7HU / GB | Application number, filing date | 80300177.5 | 18.01.1980 | [1980/19] | Priority number, date | US19790018075 | 06.03.1979 Original published format: US 18075 | [1980/19] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0015638 | Date: | 17.09.1980 | Language: | EN | [1980/19] | Type: | B1 Patent specification | No.: | EP0015638 | Date: | 26.05.1982 | Language: | EN | [1982/21] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.06.1980 | Classification | IPC: | B22D41/08, B22D41/10, C04B35/04 | [1980/19] | CPC: |
C04B35/043 (EP,US);
B22D41/32 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, LU, NL, SE [1980/19] | Title | German: | Verfahren zum Formen von Schieberverschlussteilen | [1980/19] | English: | Method of forming slide gate valve parts | [1980/19] | French: | Procédé pour former des éléments d'obturateur coulissant | [1980/19] | Examination procedure | 26.01.1981 | Examination requested [1981/15] | 12.10.1981 | Despatch of communication of intention to grant (Approval: ) | 13.11.1981 | Communication of intention to grant the patent | 25.11.1981 | Fee for grant paid | 25.11.1981 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
21.02.1983
11.04.1983
ADMISSIBLE Österreichisch-Amerikanische Magnesit Aktiengesellschaft A-9545 Radenthein / AT Opponent's representative Leeb, Walther Dr.W.Leeb, Dr.E.Müllner, Dipl.Ing.W.Katschinka Postfach 159 1014 Wien / AT | [N/P] |
Former [1983/18] | |||
Opponent(s) | 01
21.02.1983
11.04.1983
ADMISSIBLE Österreichisch-Amerikanische Magnesit Aktiengesellschaft A-9545 Radenthein / AT Opponent's representative Leeb, Walther Dr., Patentanwalt Dr.W.Leeb, Dr.E.Müllner, Dipl.Ing.W.Katschinka Postfach 159 A-1014 Wien / AT | 28.10.1983 | Invitation to proprietor to file observations on the notice of opposition | 23.12.1983 | Reply of patent proprietor to notice(s) of opposition | 28.03.1984 | Date of despatch of rejection of opposition | 07.04.1984 | Legal effect of rejection of opposition [1986/11] | Appeal following opposition | 23.05.1984 | Appeal received No. T0119/84 | 24.05.1984 | Statement of grounds filed | Fees paid | Renewal fee | 25.11.1981 | Renewal fee patent year 03 |
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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 | LU | 31.01.1983 | [1999/52] | Documents cited: | Search | DE2630174 [ ]; | DE1963378 [ ]; | DE2235199 [ ]; | DE1771615 [ ]; | DE1646945 [ ] (REPUBLIC STEEL CORP); | DE1646498 [ ]; | DE2162747 [ ] |