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Extract from the Register of European Patents

EP About this file: EP1494776

EP1494776 - METHODS OF IMPROVING CENTRIFUGAL FILTRATION [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  21.06.2013
Database last updated on 05.10.2024
Most recent event   Tooltip21.06.2013Withdrawal of applicationpublished on 24.07.2013  [2013/30]
Applicant(s)For all designated states
VIRGINIA TECH INTELLECTUAL PROPERTIES, INC.
1872 Pratt Drive
Blacksburg, VA 24060 / US
[N/P]
Former [2005/27]For all designated states
Virginia Tech Intellectual Properties, Inc.
1872 Pratt Drive
Blacksburg, VA 24060 / US
Former [2005/02]For all designated states
Yoon, Roe-Hoan
2909 Wakefield Drive
Blacksburg, VA 24060 / US
For all designated states
Asmatulu, Ramazan
907 Mason Drive
Blacksburg, VA 24060 / US
Inventor(s)01 / see applicant
...
 [2005/02]
Representative(s)f & e patent
Braunsberger Feld 29
51429 Bergisch Gladbach / DE
[N/P]
Former [2013/25]polypatent BGL
Sattlerweg 14
51429 Bergisch Gladbach / DE
Former [2013/22]polypatent BGL
Braunsberger Feld 29
51429 Bergisch Gladbach / DE
Former [2012/02]Polypatent
Postfach 10 04 11
51404 Bergisch Gladbach / DE
Former [2010/02]Polypatent
Postfach 11 07
51482 Overath / DE
Former [2005/48]Kierdorf, Theodor
Intecpatent Postfach 40 01 53
51410 Bergisch Gladbach / DE
Former [2005/02]Kierdorf, Theodor, Dipl.-Ing.
Lippert, Stachow & Partner Frankenforster Strasse 135-137
51427 Bergisch Gladbach / DE
Application number, filing date02733969.612.04.2002
[2005/02]
WO2002US11318
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO03086571
Date:23.10.2003
Language:EN
[2003/43]
Type: A1 Application with search report 
No.:EP1494776
Date:12.01.2005
Language:EN
The application published by WIPO in one of the EPO official languages on 23.10.2003 takes the place of the publication of the European patent application.
[2005/02]
Search report(s)International search report - published on:US23.10.2003
(Supplementary) European search report - dispatched on:EP13.04.2007
ClassificationIPC:B01D17/038, B01D35/01, B04B3/00
[2005/02]
CPC:
F26B5/14 (EP,US); B04B15/08 (EP,US); B04B15/12 (EP,US);
B04B3/00 (EP,US); F26B21/10 (EP,US); F26B5/08 (EP,US)
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE,   TR [2005/02]
Extension statesALNot yet paid
LTNot yet paid
LVNot yet paid
MKNot yet paid
RONot yet paid
SINot yet paid
TitleGerman:VERFAHREN ZUR VERBESSERUNG VON ZENTRIFUGALFILTRATION[2005/02]
English:METHODS OF IMPROVING CENTRIFUGAL FILTRATION[2005/02]
French:PROCEDES POUR AMELIORER UNE FILTRATION CENTRIFUGE[2005/02]
Entry into regional phase09.10.2004National basic fee paid 
09.10.2004Search fee paid 
09.10.2004Designation fee(s) paid 
09.10.2004Examination fee paid 
Examination procedure10.11.2003Request for preliminary examination filed
International Preliminary Examining Authority: US
09.10.2004Examination requested  [2005/02]
13.12.2011Despatch of a communication from the examining division (Time limit: M07)
13.07.2012Reply to a communication from the examining division
17.06.2013Application withdrawn by applicant  [2013/30]
17.06.2013Cancellation of oral proceeding that was planned for 17.07.2013
17.07.2013Date of oral proceedings (cancelled)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  13.12.2011
Fees paidRenewal fee
09.10.2004Renewal fee patent year 03
20.04.2005Renewal fee patent year 04
26.04.2006Renewal fee patent year 05
27.04.2007Renewal fee patent year 06
25.04.2008Renewal fee patent year 07
29.04.2009Renewal fee patent year 08
26.04.2010Renewal fee patent year 09
25.04.2011Renewal fee patent year 10
25.04.2012Renewal fee patent year 11
29.04.2013Renewal fee patent year 12
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Documents cited:Search[XA]WO8905193  (HEINKEL IND ZENTRIFUGEN [DE]) [X] 1-12 * page 2, lines 8-10,22-25 * * page 6, lines 16-23 * * page 7, lines 6-9 * * page 10, lines 10-13; figures 1,2; claims 1,11 * [A] 13-18;
 [X]US4997575  (HULTSCH GUENTHER [DE]) [X] 1-18 * column 1, lines 41-46; claims 1,20 * * column 2, lines 33-41; figure 1 *;
 [XA]DE4417310  (HEINKEL IND ZENTRIFUGEN [DE]) [X] 1-12 * column 2, line 63 - column 3, line 8; claim 1 * [A] 13-18;
 [XA]WO9905483  (HEINKEL IND ZENTRIFUGEN [DE], et al) [X] 1-12 * page 2, lines 6-11 * * page 7, lines 5-16 *[A] 13-18
International search[X]US4997575  (HULTSCH GUENTHER [DE])
by applicantWO8905193
 US4997575
 DE4417310
 WO9905483
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.