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EP0495601
European procedure
Extract from the Register of European Patents
EP About this file: EP0495601
| EP0495601 - Control circuit for a DC motor [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.08.1996 Database last updated on 31.08.2024 | Most recent event Tooltip | 02.08.1996 | No opposition filed within time limit | published on 18.09.1996 [1996/38] | Applicant(s) | For all designated states Kabushiki Kaisha Riken 13-5, Kudan-Kita 1-chome Chiyoda-ku Tokyo 102-0073 / JP | [N/P] |
| Former [1992/30] | For all designated states KABUSHIKI KAISHA RIKEN 13-5, Kudan-Kita 1-chome Chiyoda-ku Tokyo 102 / JP | Inventor(s) | 01 /
Yaguchi, Osamu, c/o Kabushiki Kaisha Riken Kashiwazaki Division, 37, Hokutocho 1-chome Kashiwazaki-shi, Niigata-ken / JP | 02 /
Arakawa, Mitsunori, c/o Kabushiki Kaisha Riken Kashiwazaki Division, 37, Hokutocho 1-chome Kashiwazaki-shi, Niigata-ken / JP | [1992/30] | Representative(s) | Jackson, David Spence, et al Reddie & Grose LLP 16 Theobalds Road London WC1X 8PL / GB | [N/P] |
| Former [1992/30] | Jackson, David Spence, et al REDDIE & GROSE 16, Theobalds Road London, WC1X 8PL / GB | Application number, filing date | 92300257.0 | 10.01.1992 | [1992/30] | Priority number, date | JP19910018382 | 18.01.1991 Original published format: JP 1838291 | JP19910018384 | 18.01.1991 Original published format: JP 1838491 | JP19910044370 | 16.02.1991 Original published format: JP 4437091 | [1992/30] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0495601 | Date: | 22.07.1992 | Language: | EN | [1992/30] | Type: | A3 Search report | No.: | EP0495601 | Date: | 09.12.1992 | Language: | EN | [1992/50] | Type: | B1 Patent specification | No.: | EP0495601 | Date: | 27.09.1995 | Language: | EN | [1995/39] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.10.1992 | Classification | IPC: | H02P5/168, H02P5/172, H02H7/093, H02H7/09, E05F15/16, E05F15/00 | [1992/30] | CPC: |
H02H7/0851 (EP,US);
E05F15/695 (EP,US);
H02P7/285 (EP,US);
H02P7/288 (EP,US);
H02P7/2885 (EP,US);
E05F15/41 (EP,US);
E05Y2900/55 (EP,US)
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| Designated contracting states | DE, FR, GB, IT [1992/30] | Title | German: | Steuerschaltung für einen Gleichstrommotor | [1992/30] | English: | Control circuit for a DC motor | [1992/30] | French: | Circuit de commande d'un moteur à courant continu | [1992/30] | Miscellaneous | EPB 1995/39: Teilanmeldung 94101329.4 eingereicht am 10/01/92 | EPB 1995/39: Divisional application 94101329.4 filed on 10/01/92 | EPB 1995/39: Demande divisionnaire 94101329.4 déposée le 10/01/92 | Examination procedure | 08.04.1993 | Examination requested [1993/23] | 26.05.1993 | Despatch of a communication from the examining division (Time limit: M06) | 20.11.1993 | Reply to a communication from the examining division | 20.12.1993 | Despatch of a communication from the examining division (Time limit: M02) | 16.02.1994 | Reply to a communication from the examining division | 29.03.1994 | Despatch of a communication from the examining division (Time limit: M04) | 01.08.1994 | Reply to a communication from the examining division | 03.11.1994 | Despatch of communication of intention to grant (Approval: No) | 06.03.1995 | Despatch of communication of intention to grant (Approval: later approval) | 22.03.1995 | Communication of intention to grant the patent | 21.06.1995 | Fee for grant paid | 21.06.1995 | Fee for publishing/printing paid | Divisional application(s) | EP94101329.4 / EP0604394 | EP94114795.1 / EP0633654 | Opposition(s) | 28.06.1996 | No opposition filed within time limit [1996/38] | Fees paid | Renewal fee | 25.01.1994 | Renewal fee patent year 03 | 31.01.1995 | 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 | FR2646459 [ ] (ROKEN KK [JP]); | US3924166 [ ] (DOEMEN BENNO); | EP0345914 [ ] (RIKEN KK [JP]) | [A] - INSTRUMENTS AND EXPERIMENTAL TECHNIQUES vol. 28, no. 5, part 2, September-October 1985, page 1225, New York, US; I.V. BONDALETOVA et al.: "Independant Power Supply for Electric-Discharge Magnetic Pump" | Examination | US4725765 | FR1390166 | FR1452353 |