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Extract from the Register of European Patents

EP About this file: EP0175329

EP0175329 - Shaped ceramic article [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.01.1991
Database last updated on 03.10.2024
Most recent event   Tooltip12.01.1991No opposition filed within time limitpublished on 06.03.1991 [1991/10]
Applicant(s)For:BE  DE  FR  IT  SE 
Schott Glaswerke
Hattenbergstrasse 10
55122 Mainz / DE
For:GB 
CARL-ZEISS-STIFTUNG trading as SCHOTT GLASWERKE
Hattenbergstrasse 10
55122 Mainz / DE
[N/P]
Former [1988/02]For:BE  DE  FR  IT  SE 
Schott Glaswerke
Hattenbergstrasse 10
D-55122 Mainz / DE
For:GB 
Carl-Zeiss-Stiftung trading as SCHOTT GLASWERKE
Hattenbergstrasse 10
D-55122 Mainz / DE
Former [1986/13]For all designated states
Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.
Bunsenstrasse 10
D-37073 Göttingen / DE
Inventor(s)01 / Claussen, Nils, Dr.
Forchenweg 24
D-7151 Leonberg 1 / DE
02 / Petzow, Günter, Prof. Dr.
Tannenweg 7
D-7022 Leinfelden-Echterdingen / DE
03 / Nieszery, Katharina
Schneidäckerstrasse 57
D-7000 Stuttgart 50 / DE
04 / Panhorst, Wolfgang
Lauterenstrasse 46
D-6500 Mainz / DE
05 / Weisskopf, Karl-Ludwig
Junoweg 3
D-7000 Stuttgart 80 / DE
[1986/13]
Representative(s)Weickmann, Heinrich, et al
Weickmann & Weickmann Patentanwälte Postfach 86 08 20
81635 München / DE
[N/P]
Former [1987/13]Weickmann, Heinrich, Dipl.-Ing., et al
Patentanwälte H. Weickmann, Dr. K. Fincke F.A. Weickmann, B. Huber Dr. H. Liska, Dr. J. Prechtel, Dr. B. Böhm Postfach 86 08 20
D-81635 München / DE
Former [1986/13]Weickmann, Heinrich, Dipl.-Ing.
Patentanwälte H.Weickmann Dr. K.Fincke F.A.Weickmann B.Huber Dr. H.Liska Dr. J.Prechtel Dr. B.Böhm, Möhlstrasse 22, Postfach 860 820
W-8000 München 80 / DE
Application number, filing date85111694.716.09.1985
[1986/13]
Priority number, dateDE1984343407717.09.1984         Original published format: DE 3434077
DE1984344576514.12.1984         Original published format: DE 3445765
[1986/13]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0175329
Date:26.03.1986
Language:DE
[1986/13]
Type: A3 Search report 
No.:EP0175329
Date:27.05.1987
Language:DE
[1987/22]
Type: B1 Patent specification 
No.:EP0175329
Date:21.03.1990
Language:DE
[1990/12]
Search report(s)(Supplementary) European search report - dispatched on:EP07.04.1987
ClassificationIPC:C04B35/18, C04B35/80
[1986/13]
CPC:
C04B35/80 (EP,US); C04B35/195 (EP,US)
Designated contracting statesBE,   DE,   FR,   GB,   IT,   SE [1986/13]
TitleGerman:Keramischer Formkörper[1986/13]
English:Shaped ceramic article[1986/13]
French:Corps moulé en céramique[1986/13]
Examination procedure06.11.1987Examination requested  [1988/02]
14.10.1988Despatch of a communication from the examining division (Time limit: M04)
20.02.1989Reply to a communication from the examining division
14.03.1989Despatch of a communication from the examining division (Time limit: M04)
11.04.1989Reply to a communication from the examining division
09.05.1989Despatch of communication of intention to grant (Approval: No)
31.08.1989Despatch of communication of intention to grant (Approval: later approval)
21.09.1989Communication of intention to grant the patent
14.12.1989Fee for grant paid
14.12.1989Fee for publishing/printing paid
Opposition(s)22.12.1990No opposition filed within time limit [1991/10]
Fees paidRenewal fee
14.07.1987Renewal fee patent year 03
23.08.1988Renewal fee patent year 04
19.08.1989Renewal fee patent year 05
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Documents cited:Search[A]WO8402880  (UNITED TECHNOLOGIES CORP [US]);
 [A]DE2631875  (NGK INSULATORS LTD [JP]);
 [AP]WO8500803  (GTE LABORATORIES INC [US]);
 [A]EP0027825  (FUJITSU LTD [JP])
 [A]  - CERAMIC ENGINEERING AND SCIENCE PROCEEDINGS, Band 5, Nr. 5/6, Mai-Juni 1984, Seiten 385-396; A.E. PASTO: "Silicon Nitride-Cordierite Composites for Diesel Engine Applications"
 [A]  - CERAMIC ENGINEERING AND SCIENCE PROCEEDINGS, Band 5, Nr. 7/8, Juli-August 1984, Seiten 513-529; B.A. BENDER et al.: "Electron Microscopy of Ceramic Fiber-Ceramic Matrix Composites-Comparison with Processing and Behavior"
 [A]  - AMERICAN CERAMIC SOCIETY BULLETIN, Band 63, Nr. 5, Mai 1984, Seiten 705-710; B.H. MUSSLER et al.: "Preparation and Properties of Mullite-Cordierite Composites"
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.