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EP0324294
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EP About this file: EP0324294
| EP0324294 - Process for heat treating metals or metal alloys in a thermal plasma flame [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 31.03.1992 Database last updated on 07.06.2024 | Most recent event Tooltip | 04.07.2008 | Change - representative | published on 06.08.2008 [2008/32] | Applicant(s) | For all designated states L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 75, Quai d'Orsay 75321 Paris Cédex 07 / FR | [N/P] |
| Former [1989/29] | For all designated states L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 75, Quai d'Orsay F-75321 Paris Cédex 07 / FR | Inventor(s) | 01 /
Giacobbe, Frederick W. 1086 Huntleigh Drive Naperville Illinois 60540 / US | [1989/29] | Representative(s) | Vesin, Jacques, et al L'Air Liquide S.A. Service Propriété Industrielle, 75 Quai d'Orsay 75321 Paris Cedex 07 / FR | [2008/32] |
| Former [1989/29] | Vesin, Jacques, et al L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE 75, quai d'Orsay F-75321 Paris Cédex 07 / FR | Application number, filing date | 88403283.0 | 22.12.1988 | [1989/29] | Priority number, date | US19870139405 | 30.12.1987 Original published format: US 139405 | [1989/29] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0324294 | Date: | 19.07.1989 | Language: | EN | [1989/29] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.05.1989 | Classification | IPC: | C21D1/09 | [1989/29] | CPC: |
C21D1/34 (EP,US);
C21D1/09 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, LU, NL, SE [1989/29] | Title | German: | Verfahren zur Wärmebehandlung von Metallen und Legierungen mit Plasmaflammen | [1989/29] | English: | Process for heat treating metals or metal alloys in a thermal plasma flame | [1989/29] | French: | Procédé pour le traitement thermique de métaux ou d'alliage à l'aide de flammes de plasma | [1989/29] | File destroyed: | 12.06.1999 | Examination procedure | 28.12.1988 | Examination requested [1989/29] | 17.05.1991 | Despatch of a communication from the examining division (Time limit: M06) | 29.09.1991 | Application deemed to be withdrawn, date of legal effect [1992/21] | 23.12.1991 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1992/21] | Fees paid | Renewal fee | 13.11.1990 | Renewal fee patent year 03 | Penalty fee | Additional fee for renewal fee | 02.01.1992 | 04 M06 Not yet paid |
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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]US3615924 (SWOBODA KARL, et al); | [Y]GB767381 (PAUL CARL PEDDINGHAUS, et al); | [A]DE3402969 (KLOECKNER HUMBOLDT DEUTZ AG); | [A]US4312685 (RIEDL VOLKER); | [A]US2491134 (ROBB WALTER Y); | [A]US3660630 (SUNNEN JEAN A F, et al); | [A]GB887506 (PLASMA FLAME CORP); | [A]GB940018 (BRITISH OXYGEN CO LTD) |