EP0147845 - Method af gas carburizing and herdening and continuous furnace therefor [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.01.1989 Database last updated on 22.08.2024 | Most recent event Tooltip | 12.01.1989 | No opposition filed within time limit | published on 01.03.1989 [1989/09] | Applicant(s) | For all designated states Chugai Ro Co., Ltd. 4-7, Kyomachibori 2-chome Nishi-ku Osaka-shi Osaka-fu / JP | [N/P] |
Former [1987/35] | For all designated states Chugai Ro Co., Ltd. 4-7, Kyomachibori 2-chome Nishi-ku Osaka-shi Osaka-fu / JP | ||
Former [1985/28] | For all designated states Chugai Ro Kogyo Co., Ltd. 4-7, Kyomachibori 2-chome Nishi-ku Osaka-shi Osaka-fu / JP | Inventor(s) | 01 /
Murakami, Koji 8-11-216, Showaen Settsu-shi Osaka-fu / JP | 02 /
Shima, Tsunao 1-3-8, Mayumi Ikoma-shi Nara-ken / JP | 03 /
Shimosato, Yoshikazu 14-109, Kakigadani Yahata Yahata-shi Kyoto-fu / JP | 04 /
Yokoyama, Akira 537-19, Teraji Seto-cho Akaiwa-gun Okayama-ken / JP | [1985/28] | Representative(s) | Glawe, Delfs, Moll Partnerschaft mbB von Patent- und Rechtsanwälten Postfach 26 01 62 80058 München / DE | [N/P] |
Former [1985/28] | Glawe, Delfs, Moll & Partner Patentanwälte Postfach 26 01 62 D-80058 München / DE | Application number, filing date | 84116330.6 | 27.12.1984 | [1985/28] | Priority number, date | JP19830247174 | 27.12.1983 Original published format: JP 24717483 | [1985/28] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0147845 | Date: | 10.07.1985 | Language: | EN | [1985/28] | Type: | A3 Search report | No.: | EP0147845 | Date: | 26.03.1986 | Language: | EN | [1986/13] | Type: | B1 Patent specification | No.: | EP0147845 | Date: | 16.03.1988 | Language: | EN | [1988/11] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.02.1986 | Classification | IPC: | C23C8/22, F27B9/04, C21D1/78 | [1986/09] | CPC: |
C23C8/06 (EP,US);
C23C8/22 (EP,KR,US);
C21D1/773 (EP,US);
C21D1/78 (EP,US);
C21D9/0062 (EP,US);
C23C8/80 (EP,US)
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Former IPC [1985/28] | C23C8/22, F27B9/04 | Designated contracting states | BE, DE, FR, GB, IT, SE [1985/28] | Title | German: | Verfahren zur Gasaufkohlung und Härtung und kontinuierlicher Ofen zur Durchführung dieses Verfahrens | [1985/28] | English: | Method af gas carburizing and herdening and continuous furnace therefor | [1985/28] | French: | Procédé de carburation et de durcissement gazeux et four continu pour la réalisation de ce procédé | [1985/28] | Examination procedure | 16.05.1986 | Examination requested [1986/31] | 16.04.1987 | Despatch of communication of intention to grant (Approval: ) | 21.07.1987 | Communication of intention to grant the patent | 02.11.1987 | Fee for grant paid | 02.11.1987 | Fee for publishing/printing paid | Opposition(s) | 17.12.1988 | No opposition filed within time limit [1989/09] | Fees paid | Renewal fee | 18.12.1986 | Renewal fee patent year 03 | 17.12.1987 | 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 | [Y]SU530927 ; | [A]JP58130270 ; | [A]GB606996 (BIRLEC LTD, et al); | [A]GB910741 (EFCO FURNACES LTD); | [A]GB1208134 (GIBBONS BROTHERS LTD); | [A]FR2083484 (HOLCROFT & CO); | [A]US3830479 (KNOWLES M); | [Y]EP0079864 (ITALTRACTOR [IT]) | [Y] - CHEMICAL ABSTRACTS, vol. 86., 1977, page 235, abstract no. 193810w, Columbus, Ohio, US; & SU - A - 530 927 (A.A. BABAD ZAKHRYAPIN et al.) 05-10-1976, & SU530927 A 00000000 | [A] - PATENTS ABSTRACTS OF JAPAN, vol. 7, no. 242 (C-192)[1387], 27th October 1983; & JP - A - 58 130 270 (MICHIO SUGIYAMA) 03-08-1983, & JP58130270 A 00000000 |