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EP0232735
European procedure
Extract from the Register of European Patents
EP About this file: EP0232735
| EP0232735 - Apparatus for dewatering primary dewatered sludge pieces [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.06.1993 Database last updated on 24.08.2024 | Most recent event Tooltip | 26.06.1993 | No opposition filed within time limit | published on 18.08.1993 [1993/33] | Applicant(s) | For all designated states HITACHI METALS, LTD. 1-2, Marunouchi 2-chome Chiyoda-ku Tokyo 100 / JP | [N/P] |
| Former [1990/33] | For all designated states HITACHI METALS, LTD. 1-2, Marunouchi 2-chome Chiyoda-ku, Tokyo 100 / JP | ||
| Former [1987/34] | For all designated states HITACHI METALS, LTD. 1-2, Marunouchi 2-chome Chiyoda-ku Tokyo 100 / JP | Inventor(s) | 01 /
Endo, Kazuo 100-1 Higashibeppu Kumagaya-shi Saitama / JP | 02 /
Hanamoto, Toshikazu 234-2 Higashibeppu Kumagaya-shi Saitama / JP | 03 /
Uchida, Shigeru 100-1 Higashibeppu Kumagaya-shi Saitama / JP | 04 /
Kobayashi, Katsuya 1-7-8-101 Kamagaya Kamagaya-shi Chiba / JP | [1987/34] | Representative(s) | Strehl Schübel-Hopf & Partner Maximilianstrasse 54 80538 München / DE | [N/P] |
| Former [1987/34] | Strehl Schübel-Hopf Groening & Partner Maximilianstrasse 54 D-80538 München / DE | Application number, filing date | 87100402.4 | 14.01.1987 | [1987/34] | Priority number, date | JP19860005808 | 14.01.1986 Original published format: JP 580886 | JP19860005809 | 14.01.1986 Original published format: JP 580986 | JP19860005810 | 14.01.1986 Original published format: JP 581086 | [1987/34] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0232735 | Date: | 19.08.1987 | Language: | EN | [1987/34] | Type: | A3 Search report | No.: | EP0232735 | Date: | 06.09.1989 | Language: | EN | [1989/36] | Type: | B1 Patent specification | No.: | EP0232735 | Date: | 26.08.1992 | Language: | EN | [1992/35] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 18.07.1989 | Classification | IPC: | B01D25/12, C02F11/12 | [1989/37] | CPC: |
B01D25/215 (EP,US);
C02F11/122 (KR);
B01D25/12 (KR);
B01D25/172 (EP,US);
B01D25/285 (EP,US);
B01D25/30 (EP,US);
B01D39/08 (KR);
C02F11/123 (KR);
C02F2201/002 (KR);
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| Former IPC [1987/34] | B01D25/12 | Designated contracting states | DE, GB, SE [1987/34] | Title | German: | Entwässerungsanlage für teilweise entwässerte Schlammteilchen | [1987/34] | English: | Apparatus for dewatering primary dewatered sludge pieces | [1987/34] | French: | Dispositif de déshydratation de pièces boueuses partiellement déshydratées | [1987/34] | Examination procedure | 28.11.1989 | Examination requested [1990/04] | 31.10.1990 | Despatch of a communication from the examining division (Time limit: M06) | 10.05.1991 | Reply to a communication from the examining division | 03.07.1991 | Despatch of a communication from the examining division (Time limit: M02) | 13.09.1991 | Reply to a communication from the examining division | 08.10.1991 | Despatch of communication of intention to grant (Approval: Yes) | 25.02.1992 | Communication of intention to grant the patent | 01.06.1992 | Fee for grant paid | 01.06.1992 | Fee for publishing/printing paid | Opposition(s) | 27.05.1993 | No opposition filed within time limit [1993/33] | Fees paid | Renewal fee | 30.01.1989 | Renewal fee patent year 03 | 29.01.1990 | Renewal fee patent year 04 | 28.12.1990 | Renewal fee patent year 05 | 28.01.1992 | Renewal fee patent year 06 |
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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 | [Y]US3098429 (ERIK HAGGLUND SVEN); | [A]US4172790 (KUBO MASAYOSHI [JP]); | [A]GB2142836 (PRYADKIN PAVEL P); | [A]US4251373 (NAKAMURA MASAYUKI); | [A]US4237009 (KURITA TETSUYA); | [AD]EP0092146 (HITACHI METALS LTD [JP]) | [Y] - JOURNAL WATER POLLUTION CONTROL FEDERATION | [A] - PATENT ABSTRACTS OF JAPAN | Examination | JP59193792 | - JOURNAL WATER POLLUTION CONTROL FEDERATION vol. 53, no. 12, December 1981, pages 1708-1716; A. Kenneth et al.: "Examination of process parameters affecting sludge dewatering with a diaphragm filter press". *page 1708, column 2, lines 24-38; figures 3,4: page 1716, column 1, lines 5-24* | - PATENT ABSTRACTS OF JAPAN vol. 9, no. 60 (M-364)(1783), 16th March 1985; & JP - A - 59 193 792 (HITACHI KINZOKU K.K.) 02.11.84 * abstract *, & JP59193792 A 00000000 | - JOURNAL WATER POLLUTION CONTROL FEDERATION: vol. 53, no.12, December 1981, pages 1708-1716; A. KENNETH et al.: "Examination of process parameters affecting sludge dewatering with a diaphragm filter press". *page 1708, column 2, lines 24-38; figures 3,4; page 1716, column 1, lines 5-24* |