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EP0023320
European procedure
Extract from the Register of European Patents
EP About this file: EP0023320
| EP0023320 - Air classifier [Right-click to bookmark this link] | Status | Opposition rejected Status updated on 10.07.1991 Database last updated on 03.04.2025 | Most recent event Tooltip | 05.10.2005 | Change: Appeal number | Applicant(s) | For all designated states ONODA CEMENT COMPANY, LTD. 6276, Oaza Onoda Onoda-shi Yamaguchi-ken / JP | [N/P] |
| Former [1981/05] | For all designated states ONODA CEMENT COMPANY, LTD. 6276, Oaza Onoda Onoda-shi Yamaguchi-ken / JP | Inventor(s) | 01 /
Misaka, Takaaki 4-4-5, Hon-cho Shibuya-ku Tokyo / JP | 02 /
Furukawa, Takeshi 2-10-32, Kuriya Tama-ku Kawasaki-shi Kanagawa-ken / JP | 03 /
Onuma, Eiichi 4-4-8-505, Yatsu Narashino-shi Chiba-ken / JP | [1981/05] | Representative(s) | Kinzebach, Werner, et al Reitstötter, Kinzebach & Partner Patentanwälte Postfach 86 06 49 81633 München / DE | [N/P] |
| Former [1984/42] | Kinzebach, Werner, Dr., et al Patentanwälte Reitstötter, Kinzebach und Partner Postfach 86 06 49 D-81633 München / DE | ||
| Former [1983/22] | Kinzebach, Werner, Dr. Patentanwälte Reitstötter J. Prof.Dr.Dr. Kinzebach W. Dr. & Partner Bauerstrasse 22 Postfach 780 D-8000 München 43 / DE | ||
| Former [1981/05] | Kinzebach, Werner, Dr. Reitstötter J., Prof. Dr. Dr. Kinzebach W., Dr. P.O. Box 780 Bauerstrasse 22 D-8000 München 43 / DE | Application number, filing date | 80104199.7 | 17.07.1980 | [1981/05] | Priority number, date | JP19790089793 | 17.07.1979 Original published format: JP 8979379 | JP19790089794 | 17.07.1979 Original published format: JP 8979479 | [1981/05] | Filing language | EN | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0023320 | Date: | 04.02.1981 | Language: | EN | [1981/05] | Type: | B1 Patent specification | No.: | EP0023320 | Date: | 07.03.1984 | Language: | EN | [1984/10] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.11.1980 | Classification | IPC: | B07B7/08 | [1981/05] | CPC: |
B07B4/025 (EP,US);
B07B7/08 (EP,US);
B07B7/083 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, LI [1981/05] | Title | German: | Windsichter | [1981/05] | English: | Air classifier | [1981/05] | French: | Séparateur sélectif d'air | [1981/05] | Examination procedure | 27.07.1981 | Examination requested [1981/40] | 09.08.1982 | Despatch of a communication from the examining division (Time limit: M04) | 30.11.1982 | Reply to a communication from the examining division | 13.06.1983 | Despatch of communication of intention to grant (Approval: ) | 19.08.1983 | Communication of intention to grant the patent | 15.11.1983 | Fee for grant paid | 15.11.1983 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
06.12.1984
06.02.1985
ADMISSIBLE Krupp Polysius AG Graf-Galen-Strasse 17 D-59269 Beckum / DE Opponent's representative Tetzner, Volkmar Anwaltskanzlei Dr. Tetzner Van-Gogh-Strasse 3 81479 München / DE | 02
06.12.1984
06.02.1985
ADMISSIBLE F.L. Smidth & Co. A/S -Patent & Trademark Department- Vigerslev Allé 77 DK-2500 Kopenhagen-Valby / DK Opponent's representative Meyer-Roxlau, Reiner Ferdinand, et al, et al Patentanwalt Rottenbucher Strasse 50 D-82116 Gräfelfing / DE | [N/P] |
| Former [1986/30] | |||
| Opponent(s) | 01
06.12.1984
06.02.1985
ADMISSIBLE Krupp Polysius AG Graf-Galen-Strasse 17 D-59269 Beckum / DE Opponent's representative Tetzner, Volkmar, Dr.-Ing. Dr. jur. Van-Gogh-Strasse 3 D-81479 München / DE | ||
| 02
06.12.1984
06.02.1985
ADMISSIBLE F.L. Smidth & Co. A/S -Patent & Trademark Department- Vigerslev Allé 77 DK-2500 Kopenhagen-Valby / DK Opponent's representative Meyer-Roxlau, Reiner Ferdinand, Dipl.-Ing., et al, et al Patentanwalt Rottenbucher Strasse 50 D-82116 Gräfelfing / DE | |||
| Former [1985/07] | |||
| Opponent(s) | 01
06.12.1984
ADMISSIBLE Krupp Polysius AG Graf-Galen-Strasse 17 D-59269 Beckum / DE Opponent's representative Tetzner, Volkmar, Dr.-Ing. Dr. jur. Van-Gogh-Strasse 3 D-81479 München / DE | ||
| 02
06.12.1984
F.L. Smidth & Co. A/S -Patent & Trademark Department- Vigerslev Allé 77 DK-2500 Kopenhagen-Valby / DK Opponent's representative Lederer, Franz, Dr., et al, et al Lederer, Keller & Riederer Patentanwälte Prinzregentenstrasse 16 D-80538 München / DE | 07.02.1985 | Invitation to proprietor to file observations on the notice of opposition | 02.08.1985 | Reply of patent proprietor to notice(s) of opposition | 26.08.1985 | Communication of observations of patent proprietor (Time limit: M04) | 07.01.1986 | Reply of parties involved to observations of patent proprietor | 22.01.1988 | Despatch of interlocutory decision in opposition | 25.09.1990 | Date of despatch of rejection of opposition | 27.12.1990 | Legal effect of rejection of opposition [1991/35] | Appeal following opposition | 11.03.1988 | Appeal received No. T0120/88 | 24.05.1988 | Statement of grounds filed | 25.09.1990 | Result of appeal procedure: appeal of the opponent was rejected | 25.09.1990 | Date of oral proceedings | 01.10.1990 | Minutes of the oral proceedings despatched | Fees paid | Renewal fee | 29.07.1982 | Renewal fee patent year 03 | 22.07.1983 | Renewal fee patent year 04 |
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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 | DE1507737 [ ]; | [A]DE639537 (HUMBOLDT DEUTZMOTOREN AG); | [A]DE628291 (KRUPP FRIED GRUSONWERK AG); | [A]DE340866 (KARL FABER); | [A]DE1607630 | Examination | DE1607631 | DE437396 | DE681666 | DE887294 | US1933606 | DE437896 | - FLSmidth - Cementr grinding plants (broschure) | - FL Smidht - Technical drawings 721005, 1002920 | - F.L Smidth "Cement grinding plants"brochure,1981 | - F.L. Smidth, technichal drawings Nr. 721005 and 1022920 |