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EP0090583
European procedure
Extract from the Register of European Patents
EP About this file: EP0090583
| EP0090583 - Heat treatment of aluminium alloys [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 18.12.1991 Database last updated on 03.04.2025 | Most recent event Tooltip | 05.10.2005 | Change: Appeal number | Applicant(s) | For all designated states ALCAN INTERNATIONAL LIMITED 1188 Sherbrooke Street West Montreal Quebec H3A 3G2 / CA | [N/P] |
| Former [1983/40] | For all designated states ALCAN INTERNATIONAL LIMITED 1188 Sherbrooke Street West Montreal Quebec H3A 3G2 / CA | Inventor(s) | 01 /
Field, David John "The Breach Farm" Teanford Tean Staffordshire / GB | [1983/40] | Representative(s) | Wilkinson, Stephen John, et al Stevens, Hewlett & Perkins 1 St. Augustine's Place Bristol BS1 4UD / GB | [N/P] |
| Former [1988/50] | Wilkinson, Stephen John, et al Stevens, Hewlett & Perkins 1 St. Augustine's Place Bristol BS1 4UD / GB | ||
| Former [1983/40] | Hewlett, Arthur James STEVENS, HEWLETT & PERKINS 5 Quality Court Chancery Lane London WC2A 1HZ / GB | Application number, filing date | 83301598.5 | 22.03.1983 | [1983/40] | Priority number, date | GB19820009492 | 31.03.1982 Original published format: GB 8209492 | [1983/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0090583 | Date: | 05.10.1983 | Language: | EN | [1983/40] | Type: | A3 Search report | No.: | EP0090583 | Date: | 10.10.1984 | Language: | EN | [1984/41] | Type: | B1 Patent specification | No.: | EP0090583 | Date: | 27.08.1986 | Language: | EN | [1986/35] | Type: | B2 New European patent specification | No.: | EP0090583 | Date: | 05.02.1992 | Language: | EN | [1992/06] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.08.1984 | Classification | IPC: | C22F1/04, C22C21/00, C22C21/06, C22C21/12 | [1984/39] | CPC: |
C22C21/06 (EP,US);
C22C21/00 (EP,US);
C22C21/12 (EP,US);
C22F1/05 (EP,US);
C22F1/057 (EP,US)
|
| Former IPC [1983/40] | C22F1/04 | Designated contracting states | BE, CH, DE, FR, LI [1983/40] | Title | German: | Wärmebehandlung von Aluminiumlegierungen | [1983/40] | English: | Heat treatment of aluminium alloys | [1983/40] | French: | Traitement thermique d'alliages d'aluminium | [1983/40] | Examination procedure | 14.12.1984 | Examination requested [1985/10] | 25.10.1985 | Despatch of communication of intention to grant (Approval: ) | 11.02.1986 | Communication of intention to grant the patent | 02.04.1986 | Fee for grant paid | 02.04.1986 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
20.05.1987
12.06.1987
ADMISSIBLE PECHINEY, S.A. 23 rue Balzac F-75008 Paris / FR Opponent's representative Séraphin, Léon PECHINEY Immeuble "SIS" 217, cours Lafayette 69451 Lyon Cedex 06 / FR | [N/P] |
| Former [1987/29] | |||
| Opponent(s) | 01
20.05.1987
12.06.1987
ADMISSIBLE PECHINEY, S.A. 23 rue Balzac F-75008 Paris / FR Opponent's representative Séraphin, Léon PECHINEY 28, rue de Bonnel F-69433 Lyon Cedex 03 / FR | 22.07.1987 | Invitation to proprietor to file observations on the notice of opposition | 22.01.1988 | Reply of patent proprietor to notice(s) of opposition | 16.02.1988 | Communication of observations of patent proprietor (Time limit: M02) | 30.03.1988 | Reply of parties involved to observations of patent proprietor | 11.11.1988 | Despatch of communication that the patent will be revoked | 26.06.1990 | Date of oral proceedings | 27.06.1990 | Despatch of minutes of oral proceedings | 09.11.1990 | Despatch of a communication from the opposition division (Time limit: M04) | 31.12.1990 | Reply to a communication from the opposition division | 14.05.1991 | Despatch of interlocutory decision in opposition | 24.05.1991 | Legal effect of interlocutory decision in opposition | 23.08.1991 | Despatch of communication that the patent will be maintained as amended | 03.09.1991 | Fee for printing new specification paid | Appeal following opposition | 05.01.1989 | Appeal received No. T0022/89 | 10.03.1989 | Statement of grounds filed | 26.06.1990 | Result of appeal procedure: maintenance in amended form | Fees paid | Renewal fee | 21.02.1985 | Renewal fee patent year 03 | 08.03.1986 | 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]FR2278785 (PECHINEY ALUMINIUM [FR]); | [Y]FR2385806 (ALUSUISSE [CH]); | [Y]FR1220961 (ALUMINUM CO OF AMERICA); | [A]US2381219 (LE BARON IRA M); | [E]GB2115836 (SECR DEFENCE) | [X] - 7th INTERNATIONAL LIGHT METALS CONGRESS, PROCEEDINGS CONFERENCE, 22nd-26th June 1981, Leoben, Vienna, Austria, pages 50-51, Aluminium-Verlag GmbH, D}sseldorf, DE; A. GYSLER: "Correlation between microstructure and mechanical properties of Al-Li-x alloys" | [A] - METALLOVEDENIE I TERMICHESKAYA OBRABOTKA METALLOV, no. 6, June 1974, pages 4-8, Consultants Bureau, a division of Plenum Publishing Corp., New York, US; O.A. SETYUKOV et al.: "Structure and phase composition of VAD 23 ingots" | [XP] - NASA CONTRACTOR REPORT 3578, "The relative stress-corrosion-cracking susceptibility of candidate aluminum-lithium alloys for aerospace applications", P.P. PIZZO (Advanced research and applications corporation Sunnyvale, US), prepared for Ames Research Center under Contract NAS2-10365, NASA 1982; |