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EP0029749
European procedure
Extract from the Register of European Patents
EP About this file: EP0029749
| EP0029749 - Voltage dependent resistor and method of making same [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 01.08.1985 Database last updated on 06.07.2024 | Most recent event Tooltip | 01.08.1985 | No opposition filed within time limit | published on 02.10.1985 [1985/40] | Applicant(s) | For all designated states MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1006, Oaza Kadoma Kadoma-shi Osaka 571-8501 / JP | [N/P] |
| Former [1984/32] | For all designated states MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 1006, Ohaza Kadoma Kadoma-shi, Osaka-fu, 571 / JP | ||
| Former [1981/22] | For all designated states MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD 1006-banchi, Oaza-Kadoma Kadoma-shi, Osaka 571 / JP | Inventor(s) | 01 /
Eda, Kazuo 5-2-614, Makino-kita-machi Hirakata-shi Osaka-fu / JP | 02 /
Kikuchi, Yasuharu 1-57, Saigodori Moriguchi-shi Osaka-fu / JP | 03 /
Makino, Osamu 5-5-203, Myokenzaka Katano-shi Osaka-fu / JP | 04 /
Matsuoka, Michio 1-6-A-601, Sawaraginishi Ibaraki-shi Osaka-fu / JP | [1981/22] | Representative(s) | Crawford, Andrew Birkby, et al A.A. Thornton & Co. 235 High Holborn London WC1V 7LE / GB | [N/P] |
| Former [1981/22] | Crawford, Andrew Birkby, et al A.A. THORNTON & CO. Northumberland House 303-306 High Holborn London WC1V 7LE / GB | Application number, filing date | 80304263.9 | 27.11.1980 | [1981/22] | Priority number, date | JP19790154085 | 27.11.1979 Original published format: JP 15408579 | JP19790154086 | 27.11.1979 Original published format: JP 15408679 | JP19790154087 | 27.11.1979 Original published format: JP 15408779 | [1981/22] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0029749 | Date: | 03.06.1981 | Language: | EN | [1981/22] | Type: | B1 Patent specification | No.: | EP0029749 | Date: | 08.08.1984 | Language: | EN | [1984/32] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.03.1981 | Classification | IPC: | H01C7/10, H01C7/12 | [1981/22] | CPC: |
H01C7/112 (EP,US);
Y10T29/49082 (EP,US);
Y10T29/49101 (EP,US)
| Designated contracting states | CH, DE, FR, GB, IT, LI, NL, SE [1981/22] | Title | German: | Spannungsabhängiger Widerstand und Verfahren zu dessen Herstellung | [1981/22] | English: | Voltage dependent resistor and method of making same | [1981/22] | French: | Résistance sensible à la tension et procédé pour sa fabrication | [1981/22] | Examination procedure | 19.10.1981 | Examination requested [1981/52] | 28.10.1982 | Despatch of a communication from the examining division (Time limit: M06) | 27.04.1983 | Reply to a communication from the examining division | 19.09.1983 | Despatch of a communication from the examining division (Time limit: M04) | 06.12.1983 | Reply to a communication from the examining division | 03.01.1984 | Despatch of communication of intention to grant (Approval: ) | 01.02.1984 | Communication of intention to grant the patent | 10.04.1984 | Fee for grant paid | 10.04.1984 | Fee for publishing/printing paid | Opposition(s) | 09.05.1985 | No opposition filed within time limit [1985/40] | Fees paid | Renewal fee | 19.11.1982 | Renewal fee patent year 03 | 03.11.1983 | 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 | US4045374 [ ] (NAGASAWA MASAHIRO, et al); | US4111852 [ ] (HO SHIH M, et al); | FR2138453 [ ] (MATSUSHITA ELECTRIC IND CO LTD); | FR2399129 [ ] (GEN ELECTRIC [US]); | US3950274 [ ] (MAY JOHN E); | US4157527 [ ] (PHILIPP HERBERT R [US]); | US4180483 [ ] (GUPTA TAPAN K [US], et al); | US4147670 [ ] (SHOHATA NOBUAKI, et al) |