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EP0133275
European procedure
Extract from the Register of European Patents
EP About this file: EP0133275
| EP0133275 - High thermal conductivity aluminum nitride ceramic body [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 11.03.1993 Database last updated on 26.07.2024 | Most recent event Tooltip | 15.08.2008 | Change - applicant | published on 17.09.2008 [2008/38] | Applicant(s) | For all designated states GENERAL ELECTRIC COMPANY 1 River Road Schenectady, NY 12345 / US | [N/P] |
| Former [2008/38] | For all designated states GENERAL ELECTRIC COMPANY 1 River Road Schenectady NY 12345 / US | ||
| Former [1985/08] | For all designated states GENERAL ELECTRIC COMPANY 1 River Road Schenectady New York 12305 / US | Inventor(s) | 01 /
Huseby, Irvin Charles 1144 Rosehill Boulevard Schenectady New York 12309 / US | 02 /
Bobik, Carl Francis 32 Forest Road Burnt Hills New York 12027 / US | [1985/08] | Representative(s) | Sieb, Rolf, et al Finstertal 12 69514 Laudenbach / DE | [N/P] |
| Former [1988/02] | Sieb, Rolf, Dr., et al Finstertal 12 D-69514 Laudenbach / DE | ||
| Former [1985/08] | Schüler, Horst, Dr. Kaiserstrasse 69 D-6000 Frankfurt/Main 1 / DE | Application number, filing date | 84108724.0 | 24.07.1984 | [1985/08] | Priority number, date | US19830519158 | 01.08.1983 Original published format: US 519158 | [1985/08] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0133275 | Date: | 20.02.1985 | Language: | EN | [1985/08] | Type: | A3 Search report | No.: | EP0133275 | Date: | 17.04.1985 | Language: | EN | [1985/16] | Type: | B1 Patent specification | No.: | EP0133275 | Date: | 06.05.1992 | Language: | EN | [1992/19] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.02.1985 | Classification | IPC: | C04B35/58 | [1985/08] | CPC data not yet available | Designated contracting states | DE, FR, GB, NL [1985/08] | Title | German: | Aluminiumnitrid-Keramikkörper mit hoher Wärmeleitfähigkeit | [1985/08] | English: | High thermal conductivity aluminum nitride ceramic body | [1985/08] | French: | Corps céramique en nitrure d'aluminium à conductibilité thermique élevée | [1985/08] | Examination procedure | 15.10.1985 | Examination requested [1985/52] | 12.08.1986 | Despatch of a communication from the examining division (Time limit: M08) | 07.04.1987 | Reply to a communication from the examining division | 23.06.1987 | Despatch of a communication from the examining division (Time limit: M08) | 02.03.1988 | Reply to a communication from the examining division | 13.04.1989 | Despatch of a communication from the examining division (Time limit: M04) | 16.08.1989 | Reply to a communication from the examining division | 12.09.1990 | Despatch of a communication from the examining division (Time limit: M06) | 09.03.1991 | Reply to a communication from the examining division | 24.07.1991 | Despatch of communication of intention to grant (Approval: Yes) | 30.10.1991 | Communication of intention to grant the patent | 11.01.1992 | Fee for grant paid | 11.01.1992 | Fee for publishing/printing paid | Opposition(s) | 09.02.1993 | No opposition filed within time limit [1993/17] | Fees paid | Renewal fee | 10.06.1986 | Renewal fee patent year 03 | 12.06.1987 | Renewal fee patent year 04 | 22.07.1988 | Renewal fee patent year 05 | 06.07.1989 | Renewal fee patent year 06 | 12.07.1990 | Renewal fee patent year 07 | 11.07.1991 | Renewal fee patent year 08 |
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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 | [X]DE2035767 (GEN ELECTRIC); | [Y]EP0075857 (TOSHIBA KK [JP]) | [Y] - CHEMICAL ABSTRACTS, vol. 83, no. 20, 17th November 1975, page 233, no. 167868q, Columbus, Ohio, USA; D.N. POLUBOYARINOV et al.: "Technology and properties of high-density products from aluminum nitride" & OGNEUPORY 1975, (6), 44-47 | [A] - INORGANIC MATERIALS, vol. 11, no. 1, 1975, pages 58-61, New York, USA; D.N. POLUBOYARINOV et al.: "Sintering of ain ceramic" | [X] - JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, vol. 34, no. 2, February 1973, pages 321-335, Pergamon Press, Oxford, GB; G.A. SLACK: "Nonmetallic crystals with high thermal conductivity" | by applicant | EP0075857 | - INORG. MAT., (1975), vol. 11, pages 58 - 61 | - CHEMICAL ABSTRACTS, Database accession no. 233 |