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EP0144161
European procedure
Extract from the Register of European Patents
EP About this file: EP0144161
| EP0144161 - Control system for an ac motor [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.08.1992 Database last updated on 22.05.2024 | Most recent event Tooltip | 20.08.1992 | No opposition filed within time limit | published on 07.10.1992 [1992/41] | Applicant(s) | For all designated states Kabushiki Kaisha Toshiba 72, Horikawa-cho, Saiwai-ku Kawasaki-shi Kanagawa-ken 210-8572 / JP | [N/P] |
| Former [1985/24] | For all designated states KABUSHIKI KAISHA TOSHIBA 72, Horikawa-cho, Saiwai-ku Kawasaki-shi, Kanagawa-ken 210, Tokyo / JP | Inventor(s) | 01 /
Hirata, Akio c/o Patent Division Toshiba Corporation Principal Office 1-1, Shibaura 1-chome Minato-ku Tokyo / JP | 02 /
Naito, Yoshio c/o Patent Division Toshiba Corporation Principal Office 1-1, Shibaura 1-chome Minato-ku Tokyo / JP | [1985/24] | Representative(s) | Kirk, Geoffrey Thomas, et al BATCHELLOR, KIRK & CO. 102-108 Clerkenwell Road London EC1M 5SA / GB | [N/P] |
| Former [1985/24] | Kirk, Geoffrey Thomas, et al BATCHELLOR, KIRK & CO. 2 Pear Tree Court Farringdon Road London EC1R 0DS / GB | Application number, filing date | 84307624.1 | 05.11.1984 | [1985/24] | Priority number, date | JP19830206878 | 05.11.1983 Original published format: JP 20687883 | JP19840088358 | 04.05.1984 Original published format: JP 8835884 | [1985/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0144161 | Date: | 12.06.1985 | Language: | EN | [1985/24] | Type: | A3 Search report | No.: | EP0144161 | Date: | 06.07.1988 | Language: | EN | [1988/27] | Type: | B1 Patent specification | No.: | EP0144161 | Date: | 16.10.1991 | Language: | EN | [1991/42] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.05.1988 | Classification | IPC: | H02P5/40, H02P7/62 | [1985/24] | CPC: |
H02P25/024 (EP,US)
| Designated contracting states | DE, FR, GB, SE [1985/24] | Title | German: | Steuer- und Regelsystem für einen Wechselstrom-Motor | [1985/24] | English: | Control system for an ac motor | [1985/24] | French: | Système de contrôle pour moteur à courant alternatif | [1985/24] | Examination procedure | 16.11.1984 | Examination requested [1985/24] | 17.01.1990 | Despatch of a communication from the examining division (Time limit: M06) | 14.07.1990 | Reply to a communication from the examining division | 07.12.1990 | Despatch of communication of intention to grant (Approval: Yes) | 11.04.1991 | Communication of intention to grant the patent | 18.06.1991 | Fee for grant paid | 18.06.1991 | Fee for publishing/printing paid | Opposition(s) | 17.07.1992 | No opposition filed within time limit [1992/41] | Fees paid | Renewal fee | 25.11.1986 | Renewal fee patent year 03 | 14.11.1987 | Renewal fee patent year 04 | 14.11.1988 | Renewal fee patent year 05 | 09.11.1989 | Renewal fee patent year 06 | 20.11.1990 | Renewal fee patent year 07 |
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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]US3894277 (TACHIBANA KYOZO, et al); | [A]DD132826 (MELZER FRANK, et al); | [A]US4264853 (MORISHITA TAKASHI); | [Y]US4276504 (NAGASE HIROSHI, et al); | [Y]EP0045951 (SIEMENS AG [DE]) | [A] - ELEKTRONISCHE ZEITSCHRIFT ETZ-A, vol. 99, no. 3, 1978, pages 156-157, H.-W. LEDER et al.:"Einsatz einer Schonzeitregelung bei einem selbstgesteuerten Stromrichter-Synchronmotor" |