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EP0244121
European procedure
Extract from the Register of European Patents
EP About this file: EP0244121
| EP0244121 - Control for batch mixers [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 23.06.1995 Database last updated on 30.03.2026 | Most recent event Tooltip | 23.06.1995 | Patent maintained (B2 publication) | published on 09.08.1995 [1995/32] | Applicant(s) | For all designated states Farrel Limited Queensway Castleton P.O. Box 27 Rochdale Lancashire, OL11 2PF / GB | [N/P] |
| Former [1989/01] | For all designated states Farrel Limited Queensway Castleton P.O. Box 27 Rochdale Lancashire, OL11 2PF / GB | ||
| Former [1987/45] | For all designated states Farrel Bridge Limited Queensway Castleton P.O. Box 27 Rochdale Lancashire, OL11 2PF / GB | Inventor(s) | 01 /
Patel, Sureshchandra Rambhai, Dr. 24 Hawthorn Road Bamford Rochdale Lancashire / GB | [1987/45] | Representative(s) | Bardehle, Heinz, et al Bardehle Pagenberg Partnerschaft mbB Patentanwälte, Rechtsanwälte Prinzregentenplatz 7 81675 München / DE | [N/P] |
| Former [1994/28] | Bardehle, Heinz, Dipl.-Ing., et al Patent- und Rechtsanwälte Bardehle . Pagenberg . Dost . Altenburg . Frohwitter . Geissler & Partner Galileiplatz 1 D-81679 München / DE | ||
| Former [1994/15] | Bardehle, Heinz, Dipl.-Ing. Patent- und Rechtsanwälte Bardehle . Pagenberg . Dost . Altenburg . Frohwitter . Geissler & Partner Galileiplatz 1 D-81679 München / DE | ||
| Former [1987/45] | Downey, William Gerrard Wilson, Gunn, M'Caw & Co., 41-51 Royal Exchange, Cross Street Manchester M2 7BD / GB | Application number, filing date | 87303305.4 | 15.04.1987 | [1987/45] | Priority number, date | GB19860010287 | 26.04.1986 Original published format: GB 8610287 | [1987/45] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0244121 | Date: | 04.11.1987 | Language: | EN | [1987/45] | Type: | B1 Patent specification | No.: | EP0244121 | Date: | 11.09.1991 | Language: | EN | [1991/37] | Type: | B1 RE Reissue of patent specification | No.: | EP0244121 | Date: | 01.09.1992 | [1992/43] | Type: | B2 New European patent specification | No.: | EP0244121 | Date: | 09.08.1995 | Language: | EN | [1995/32] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.09.1987 | Classification | IPC: | B29B7/28 | [1987/45] | CPC: |
B29B7/183 (EP,US);
B29B7/28 (KR);
B01F27/00 (KR);
B29B7/18 (KR);
B29B7/246 (EP,US);
B29B7/263 (EP,US);
B29B7/283 (EP,US);
B29B7/286 (EP,US);
B29B7/7495 (EP,US);
| Designated contracting states | DE, ES, FR, IT, SE [1987/45] | Title | German: | Regelung von Innenmischern | [1987/45] | English: | Control for batch mixers | [1987/45] | French: | Dispositif de régulation pour un mélangeur interne | [1987/45] | Examination procedure | 15.04.1988 | Examination requested [1988/25] | 05.01.1989 | Despatch of a communication from the examining division (Time limit: M06) | 12.07.1989 | Reply to a communication from the examining division | 07.12.1989 | Despatch of a communication from the examining division (Time limit: M02) | 15.02.1990 | Reply to a communication from the examining division | 02.05.1990 | Despatch of a communication from the examining division (Time limit: M03) | 17.07.1990 | Reply to a communication from the examining division | 18.10.1990 | Despatch of communication of intention to grant (Approval: No) | 28.02.1991 | Despatch of communication of intention to grant (Approval: later approval) | 14.03.1991 | Communication of intention to grant the patent | 21.06.1991 | Fee for grant paid | 21.06.1991 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
27.05.1992
28.09.1992
ADMISSIBLE Bühler AG CH-9240 Uzwil / CH | [1992/36] | 01.10.1992 | Invitation to proprietor to file observations on the notice of opposition | 09.02.1993 | Reply of patent proprietor to notice(s) of opposition | 07.06.1994 | Legal effect of interlocutory decision in opposition | 07.06.1994 | Date of oral proceedings | 01.07.1994 | Despatch of interlocutory decision in opposition | 01.07.1994 | Despatch of minutes of oral proceedings | 22.02.1995 | Despatch of communication that the patent will be maintained as amended | 02.06.1995 | Fee for printing new specification paid | Fees paid | Renewal fee | 17.04.1989 | Renewal fee patent year 03 | 29.03.1990 | Renewal fee patent year 04 | 25.03.1991 | Renewal fee patent year 05 |
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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 | [A] JP59142125 | [AD] GB2084035 (WERNER & PFLEIDERER et al.) | [A] EP0172726 (FREAKLEY PHILIP KENNETH et al.) | [A] KAUTSCHUK + GUMMI KUNSTSTOFFE, vol. 35, no. 8, August 1982, pages 674-680, Heidelberg; H.-M. SCHMID "Optimieren des Mischprozesses im Innenmischer" | [A] PATENT ABSTRACTS OF JAPAN, vol. 8, no. 270 (M-344)[1707], 11th December 1984; & JP-A-59 142 125 (HITACHI) 15-08-1984 | by applicant | GB2084035 | GB2163061 | GB1340244 |