blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0755321

EP0755321 - PROCESS FOR PRODUCING A THREE-DIMENSIONAL OBJECT [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  02.08.2003
Database last updated on 25.09.2024
Most recent event   Tooltip29.08.2008Change - opposition data/opponents data or that of the opponents representativepublished on 01.10.2008  [2008/40]
Applicant(s)For all designated states
EOS GmbH Electro Optical Systems
Robert-Stirling-Ring 1
82152 Krailling / DE
[2003/33]
Former [1997/05]For all designated states
EOS GmbH ELECTRO OPTICAL SYSTEMS
Pasinger Strasse 2
82152 Planegg / DE
Inventor(s)01 / KELLER, Peter
Keplerweg 7
D-82152 Martinsried / DE
02 / WILKENING, Christian
Oberer Anger 14
D-86911 Diessen / DE
03 / LANGER, Hans, J.
Am Wasserbogen 46
D-82166 Gräfelfing / DE
[1997/05]
Representative(s)Prüfer, Lutz H., et al
PRÜFER & PARTNER GbR
Patentanwälte
Harthauser Strasse 25d
81545 München / DE
[N/P]
Former [1997/05]Prüfer, Lutz H., Dipl.-Phys., et al
PRÜFER & PARTNER, Patentanwälte, Harthauser Strasse 25d
81545 München / DE
Application number, filing date95929059.402.08.1995
[1997/05]
WO1995EP03078
Priority number, dateDE1994443311816.09.1994         Original published format: DE 4433118
[1997/05]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO9608360
Date:21.03.1996
Language:DE
[1996/13]
Type: A1 Application with search report 
No.:EP0755321
Date:29.01.1997
Language:DE
The application published by WIPO in one of the EPO official languages on 21.03.1996 takes the place of the publication of the European patent application.
[1997/05]
Type: B1 Patent specification 
No.:EP0755321
Date:19.11.1997
Language:DE
[1997/47]
Type: B2 New European patent specification 
No.:EP0755321
Date:17.09.2003
Language:DE
[2003/38]
Search report(s)International search report - published on:EP21.03.1996
ClassificationIPC:B29C67/00, G03C9/08
[1997/05]
CPC:
G03F7/0037 (EP); B29C67/00 (KR); B29C64/153 (EP);
G03C9/08 (KR); B29K2009/06 (EP); B29K2025/00 (EP);
B29K2055/02 (EP); B29K2071/12 (EP); B29K2077/00 (EP);
B29K2105/0085 (EP); B29K2105/0088 (EP) (-)
Designated contracting statesDE,   FR,   GB,   IT [1997/05]
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINES DREIDIMENSIONALEN OBJEKTES[1997/05]
English:PROCESS FOR PRODUCING A THREE-DIMENSIONAL OBJECT[1997/05]
French:PROCEDE DE FABRICATION D'UN OBJET TRIDIMENSIONNEL[1997/05]
Entry into regional phase04.11.1996National basic fee paid 
04.11.1996Designation fee(s) paid 
04.11.1996Examination fee paid 
Examination procedure22.03.1996Request for preliminary examination filed
International Preliminary Examining Authority: EP
04.11.1996Examination requested  [1997/05]
04.11.1996Request for accelerated examination filed
14.04.1997Despatch of communication of intention to grant (Approval: Yes)
14.04.1997Decision about request for accelerated examination - accepted: Yes
21.05.1997Communication of intention to grant the patent
03.06.1997Fee for grant paid
03.06.1997Fee for publishing/printing paid
Opposition(s)Opponent(s)01  16.07.1998  03.08.1998  ADMISSIBLE
3D Systems, Inc.
26081 Avenue Hall
Valencia, CA 91355 / US
Opponent's representative
Haug, Dietmar
Andrae Westendorp
Patentanwälte Partnerschaft
Balanstrasse 55
81541 München / DE
 [N/P]
Former [2008/40]
Opponent(s)01  16.07.1998  03.08.1998  ADMISSIBLE
3D Systems, Inc.
26081 Avenue Hall
Valencia, CA 91355 / US
Opponent's representative
Haug, Dietmar
Andrae Flach Haug Balanstrasse 55
81541 München / DE
Former [2003/09]
Opponent(s)01  16.07.1998  03.08.1998  ADMISSIBLE
3D Systems, Inc.
26081 Avenue Hall
Valencia, CA 91355 / US
Opponent's representative
Haug, Dietmar, Dipl.-Ing.
Andrae Flach Haug Balanstrasse 55
81541 München / DE
Former [1998/37]
Opponent(s)01  16.07.1998   
DTM Corporation
1611 Headway Circle, Building 2
Austin, Texas 78754 / US
Opponent's representative
Haug, Dietmar
Andrae Flach Haug Balanstrasse 55
81541 München / DE
deletedDeletion: Legal effect of rejection of opposition [ N /P ]
28.09.1998Invitation to proprietor to file observations on the notice of opposition
27.01.1999Reply of patent proprietor to notice(s) of opposition
08.12.1999Date of oral proceedings
21.01.2000Despatch of minutes of oral proceedings
21.01.2000Date of despatch of rejection of opposition
21.01.2003Legal effect of interlocutory decision in opposition
28.03.2003Despatch of interlocutory decision in opposition
22.04.2003Despatch of communication that the patent will be maintained as amended
13.06.2003Fee for printing new specification paid
Appeal following opposition21.03.2000Appeal received No.  T0298/00
17.05.2000Statement of grounds filed
21.01.2003Result of appeal procedure: maintenance in amended form
21.01.2003Date of oral proceedings
03.02.2003Minutes of the oral proceedings despatched
Fees paidRenewal fee
03.06.1997Renewal fee patent year 03
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Cited inInternational search[XY]EP0393672  (DU PONT [US]) [X] 1,10 * column W * [Y] 3,4,6;
 [Y]DE4007248  (DU PONT DEUTSCHLAND [DE]) [Y] 3,4,6 * page 3, line 51 - page 4, line 23; examples 2,6 *;
 [XY]JPH0224127  ;
 [Y]US5304329  (DICKENS JR ELMER D [US], et al) [Y] 1-3,10 * column 8, line 23 - line 36; figure -; claims 1,9 *;
 [Y]JPS60224568  ;
 [A]WO9006540  (CENTRE NAT RECH SCIENT [FR]) [A] 1-10 * page 11 - page 12 *
 [XA]  - VISMAN R, "FAST PROTOTYPING MET 'SELECTIVE LASER SINTERING'", KUNSTSTOF EN RUBBER, ROTTERDAM NL, (19921201), vol. 44, no. 12, pages 14 - 18, XP000327819 [X] 1,2,6,10 * the whole document * [A] 8
 [XY]  - "MAKE IT IN A MINUTE : MACHINES THAT USE LASERS TO FORM MATERIALS MAY BE THE KEY TO QUICK, INEXPENSIVE PROTOTYPING", MACHINE DESIGN, (19900208), vol. 62, no. 3, pages 127 - 132, XP000102461 [X] 1,2,10 * page 132, column L * [Y] 4,8
 [XY]  - DATABASE WPI, 1, Derwent World Patents Index, vol. 90, no. 10, Database accession no. 90-071252, & JPH0224127 A 19900126 (MITSUI ENG. & SHIPBUILDING) [X] 1,10 * abstract * [Y] 4,8
 [X]  - SCHAETTI T, "RAPID PROTOTYPING ETABLIERT SICH . VERFAHREN ZUR SCHNELLEN FERTIGUNG VON MODELLEN UND MUSTERTEILEN", TECHNISCHE RUNDSCHAU, (19910517), vol. 83, no. 20, pages 36 - 41, 43, XP000230938 [X] 1,2,10 * page 40, column R, paragraph L - page 41, column L *
 [Y]  - PATENT ABSTRACTS OF JAPAN, (19860402), vol. 10, no. 83, Database accession no. (M - 466), & JP60224568 A 19851108 (JIYANOME SEWING MACHINE KOGYO KK) [Y] 1-3,10 * abstract *
Opposition   - Solid Freeform Fabrication Symposium Proceedings, August 6-8, 1990, Austin, Texas, USA, "Sintering Rates in the Selective Laser Sintering Process", Christian Nelson and J.W. Barlow, Department of Chemical Engineering, University of Texas at Austin, pp. 164-170
    - Kunststoff Handbuch 3/2, Technische Polymer-Blends, Gerhard W. Becker und Dietrich Braun, Carl Hanser Verlag, München Wien, 1993, Seiten 2,3,12 und 13
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.