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Extract from the Register of European Patents

EP About this file: EP0379104

EP0379104 - Process for annealing metal work pieces in a hydrogen-enriched protective atmosphere in a continuous furnace [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  27.08.1994
Database last updated on 05.10.2024
Most recent event   Tooltip27.08.1994No opposition filed within time limitpublished on 19.10.1994 [1994/42]
Applicant(s)For all designated states
Linde AG
Abraham-Lincoln-Strasse 21
65189 Wiesbaden / DE
[N/P]
Former [1990/30]For all designated states
Linde Aktiengesellschaft
Abraham-Lincoln-Strasse 21
D-65189 Wiesbaden / DE
Inventor(s)01 / Strigl, Reinhard, Dipl.-Ing.
Zeitlerstrasse 1
D-8000 München 50 / DE
02 / Jurmann, Alexander, Dipl.-Ing.
Fasanenstrasse 68a
D-8025 Unterhaching / DE
[1990/30]
Representative(s)Schaefer, Gerhard
Linde Aktiengesellschaft Zentrale Patentabteilung
82049 Höllriegelskreuth / DE
[N/P]
Former [1990/30]Schaefer, Gerhard, Dr.
Linde Aktiengesellschaft Zentrale Patentabteilung
D-82049 Höllriegelskreuth / DE
Application number, filing date90100679.113.01.1990
[1990/30]
Priority number, dateDE1989390121517.01.1989         Original published format: DE 3901215
DE1989392641710.08.1989         Original published format: DE 3926417
[1990/30]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0379104
Date:25.07.1990
Language:DE
[1990/30]
Type: B1 Patent specification 
No.:EP0379104
Date:27.10.1993
Language:DE
[1993/43]
Search report(s)(Supplementary) European search report - dispatched on:EP14.05.1990
ClassificationIPC:C21D9/56, C21D1/74
[1990/30]
CPC:
C21D1/74 (EP); C21D9/565 (EP)
Designated contracting statesAT,   BE,   DE,   FR,   IT,   LU,   NL [1990/30]
TitleGerman:Verfahren zum Glühen von Metallteilen unter wasserstoffreichem Schutzgas in einem Durchlaufofen[1990/30]
English:Process for annealing metal work pieces in a hydrogen-enriched protective atmosphere in a continuous furnace[1990/30]
French:Procédé pour le recuit de pièces métalliques dans une atmosphère protectrice riche en hydrogène dans un four continu[1990/30]
Examination procedure24.07.1990Examination requested  [1990/38]
12.05.1992Despatch of a communication from the examining division (Time limit: M04)
03.09.1992Reply to a communication from the examining division
23.11.1992Despatch of a communication from the examining division (Time limit: M04)
29.01.1993Reply to a communication from the examining division
24.03.1993Despatch of communication of intention to grant (Approval: Yes)
28.04.1993Communication of intention to grant the patent
25.06.1993Fee for grant paid
25.06.1993Fee for publishing/printing paid
Opposition(s)28.07.1994No opposition filed within time limit [1994/42]
Fees paidRenewal fee
16.01.1992Renewal fee patent year 03
21.01.1993Renewal fee patent year 04
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Documents cited:Search[X]EP0075438  ;
 [A]FR2612619  (AIR LIQUIDE [FR]);
 [A]US3223396  (THOMPSON ALDEN W);
 [XP]FR2628752  (AIR LIQUIDE [FR])
 [X]  - STEEL IN THE USSR, Band 14, Nr. 8, August 1984, Seiten 406-409; I.Y. SOKOL et al.: "Bright annealing of steel strip in hydrogen atmosphere"
 [AD]  - STAHL U. EISEN, Band 107, Nr. 6, 23. März 1987, Seiten 267-273; H.W. HONERVOGT et al.: "Blankglühanlage für nichtrostende und säurebeständige Kaltbänder"
ExaminationDD31283
 GB995883
 DE3809516
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.