| EP0233445 - Check valve [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 28.03.1990 Database last updated on 28.03.2026 | Most recent event Tooltip | 03.05.1990 | Correction of patent specification | published on 20.06.1990 [1990/25] | Applicant(s) | For all designated states HOERBIGER VENTILWERKE AKTIENGESELLSCHAFT Braunhubergasse 23 1110 Wien / AT | [N/P] |
| Former [1987/35] | For all designated states HOERBIGER VENTILWERKE AKTIENGESELLSCHAFT Braunhubergasse 23 A-1110 Wien / AT | Inventor(s) | 01 /
Bauer, Friedrich, Dipl.-Ing. Dr. techn. Endresstrasse 92 A-1238 Wien / AT | [1987/35] | Representative(s) | Klein, Adam Patentanwälte Klein & Pinter OEG Fasangasse 49 A-1030 Wien / AT | [N/P] |
| Former [1987/35] | Klein, Adam, Dipl.Ing. Patentanwälte Klein & Pinter OEG Fasangasse 49 A-1030 Wien / AT | Application number, filing date | 86890303.0 | 05.11.1986 | [1987/35] | Priority number, date | AT19850003377 | 20.11.1985 Original published format: AT 337785 | [1987/35] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0233445 | Date: | 26.08.1987 | Language: | DE | [1987/35] | Type: | B1 Patent specification | No.: | EP0233445 | Date: | 24.05.1989 | Language: | DE | [1989/21] | Type: | B1 RE Reissue of patent specification | No.: | EP0233445 | Date: | 25.04.1990 | [1990/25] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.06.1987 | Classification | IPC: | F16K15/03 | [1987/35] | CPC: |
F16K47/00 (EP);
F16K47/012 (US);
F16K15/03 (EP);
F16K15/034 (US)
| Designated contracting states | BE, DE, ES, FR, GB, IT [1987/35] | Title | German: | Rückschlagventil | [1987/35] | English: | Check valve | [1987/35] | French: | Clapet de retenue | [1987/35] | Examination procedure | 08.02.1988 | Examination requested [1988/14] | 25.10.1988 | Despatch of communication of intention to grant (Approval: Yes) | 29.11.1988 | Communication of intention to grant the patent | 31.01.1989 | Fee for grant paid | 31.01.1989 | Fee for publishing/printing paid | Opposition(s) | 27.02.1990 | No opposition filed within time limit [1990/20] | Fees paid | Renewal fee | 18.10.1988 | Renewal fee patent year 03 |
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