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EP0218735
European procedure
Extract from the Register of European Patents
EP About this file: EP0218735
| EP0218735 - Investment casting using metal sprue [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 23.05.1991 Database last updated on 15.06.2024 | 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 Leung, Tom 6524 Bruton Road Cartierville Quebec / CA | [N/P] |
| Former [1987/17] | For all designated states Leung, Tom 6524 Bruton Road Cartierville Quebec / CA | Inventor(s) | 01 /
see applicant ... | [1987/17] | Representative(s) | Kraus, Walter, et al Patentanwälte Kraus, Weisert & Partner Thomas-Wimmer-Ring 15 80539 München / DE | [N/P] |
| Former [1987/17] | Kraus, Walter, Dr., et al Patentanwälte Kraus, Weisert & Partner Thomas-Wimmer-Ring 15 D-80539 München / DE | Application number, filing date | 85112790.2 | 09.10.1985 | [1987/17] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0218735 | Date: | 22.04.1987 | Language: | EN | [1987/17] | Type: | B1 Patent specification | No.: | EP0218735 | Date: | 18.07.1990 | Language: | EN | [1990/29] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.07.1986 | Classification | IPC: | B22C9/04 | [1987/17] | CPC: |
B22C9/08 (EP,US);
B22C9/04 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1987/17] | Title | German: | Wachsausschmelzverfahren mit Eingusszapfen aus Metall | [1987/17] | English: | Investment casting using metal sprue | [1987/17] | French: | Moulage à la cire perdue utilisant une carotte métallique | [1987/17] | Examination procedure | 07.07.1987 | Examination requested [1987/36] | 09.06.1988 | Despatch of a communication from the examining division (Time limit: M06) | 18.11.1988 | Reply to a communication from the examining division | 21.12.1988 | Despatch of communication of intention to grant (Approval: Yes) | 02.05.1989 | Communication of intention to grant the patent | 18.07.1989 | Fee for grant paid | 18.07.1989 | Fee for publishing/printing paid | Opposition(s) | 19.04.1991 | No opposition filed within time limit [1991/28] | Fees paid | Renewal fee | 06.10.1987 | Renewal fee patent year 03 | 06.10.1988 | Renewal fee patent year 04 | 27.04.1990 | Renewal fee patent year 05 | Penalty fee | Additional fee for renewal fee | 31.10.1989 | 05 M06 Fee paid on 27.04.1990 |
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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 | 31.10.1990 | [1999/52] | Documents cited: | Search | [E]CA1195817 (TOM LEUNG); | [YD]US3177537 (HORTON ROBERT A); | [Y]GB995722 (ROLLS ROYCE) |