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EP0502654
European procedure
Extract from the Register of European Patents
EP About this file: EP0502654
| EP0502654 - Improved ductility microalloyed NiAL intermetallic compounds [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.10.1997 Database last updated on 03.09.2024 | Most recent event Tooltip | 03.10.1997 | No opposition filed within time limit | published on 19.11.1997 [1997/47] | Applicant(s) | For all designated states GENERAL ELECTRIC COMPANY 1 River Road Schenectady, NY 12345 / US | [N/P] |
| Former [1992/37] | For all designated states GENERAL ELECTRIC COMPANY 1 River Road Schenectady, NY 12345 / US | Inventor(s) | 01 /
Darolia, Ramgopal 7377 Overland Park Court West Chester, Ohio 45069 / US | 02 /
Lahrman, David Frank 5753 Farmfield Drive Mason, Ohio 45040 / US | [1992/37] | Representative(s) | Goode, Ian Roy, et al London Patent Operation General Electric International, Inc. 15 John Adam Street London WC2N 6LU / GB | [N/P] |
| Former [1997/25] | Goode, Ian Roy, et al London Patent Operation General Electric International, Inc., Essex House, 12-13 Essex Street London WC2R 3AA / GB | ||
| Former [1992/37] | Pratt, Richard Wilson, et al London Patent Operation G.E. Technical Services Co. Inc. Essex House 12/13 Essex Street London WC2R 3AA / GB | Application number, filing date | 92301689.3 | 28.02.1992 | [1992/37] | Priority number, date | US19910664236 | 04.03.1991 Original published format: US 664236 | [1992/37] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0502654 | Date: | 09.09.1992 | Language: | EN | [1992/37] | Type: | B1 Patent specification | No.: | EP0502654 | Date: | 27.11.1996 | Language: | EN | [1996/48] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.05.1992 | Classification | IPC: | C22C19/00, C30B11/00, C30B29/52, C22C1/09 | [1992/37] | CPC: |
C22C49/08 (EP,US);
C22C19/007 (EP,US);
C30B11/00 (EP,US);
C30B29/52 (EP,US);
Y10T428/12486 (EP,US)
| Designated contracting states | DE, FR, GB, IT [1992/37] | Title | German: | Mikrolegierte Nial-intermetallische Verbindungen mit verbesserter Duktilität | [1992/37] | English: | Improved ductility microalloyed NiAL intermetallic compounds | [1992/37] | French: | Composés intramétalliques microalliés à base de nial présentant une ductilité améliorée | [1992/37] | Examination procedure | 25.02.1993 | Examination requested [1993/17] | 23.03.1995 | Despatch of a communication from the examining division (Time limit: M06) | 28.09.1995 | Reply to a communication from the examining division | 26.02.1996 | Despatch of communication of intention to grant (Approval: Yes) | 29.05.1996 | Communication of intention to grant the patent | 09.09.1996 | Fee for grant paid | 09.09.1996 | Fee for publishing/printing paid | Opposition(s) | 28.08.1997 | No opposition filed within time limit [1997/47] | Fees paid | Renewal fee | 27.01.1994 | Renewal fee patent year 03 | 28.02.1995 | Renewal fee patent year 04 | 29.02.1996 | Renewal fee patent year 05 |
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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]WO8200477 (UNITED TECHNOLOGIES CORP [US]) | [X] - JOURNAL OF METALS - JOM. vol. 43, no. 3, March 1991, NEW YORK US pages 44 - 49; R.DAROLIA: 'NIAL ALLOYS FOR HIGH-TEMPERATURE STRUCTURAL APPLICATIONS' | [A] - OXIDATION OF METALS vol. 26, no. 5/6, 1986, NEW YORK pages 351 - 361; E.W.A. YOUNG ET AL: 'AN 18O TRACER STUDY ON THE GROWTH MECHANISM OF ALUMINA SCALES ON NIAL AND NIALY ALLOYS' | Examination | - Corrosion, vol. 32, no. 11, 1976, p. 476-481 | - Oxidation of Metals, vol. 26, No.5/6, 1986, pp. 351-361 |