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Extract from the Register of European Patents

EP About this file: EP2341643

EP2341643 - METHOD AND APPARATUS FOR FILTER LOCKING [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  07.12.2012
Database last updated on 01.10.2024
Most recent event   Tooltip07.12.2012Withdrawal of applicationpublished on 09.01.2013  [2013/02]
Applicant(s)For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building
Bantian
Longgang District
Shenzhen, Guangdong 518129 / CN
[N/P]
Former [2011/27]For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building Bantian Longgang District, Shenzhen
Guangdong 518129 / CN
Former [2011/27]For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building Bantian Longgang District
Shenzhen, Guangdong 518129 / CN
Inventor(s)01 / TANG, Fei
Huawei Technologies Co., Ltd. Intellectual Property Department B1-3A, Bantian Longgang District
Shenzhen Guangdong 518129 / CN
02 / WU, Shuangqi
Huawei Technologies Co., Ltd. Intellectual Property Department B1-3A, Bantian Longgang District
Shenzhen Guangdong 518129 / CN
03 / ZHANG, Hongping
Huawei Technologies Co., Ltd. Intellectual Property Department B1-3A, Bantian Longgang District
Shenzhen Guangdong 518129 / CN
 [2011/27]
Representative(s)Pfenning, Meinig & Partner mbB
Patent- und Rechtsanwälte
Theresienhöhe 11a
80339 München / DE
[N/P]
Former [2012/33]Pfenning, Meinig & Partner GbR
Patent- und Rechtsanwälte Theresienhöhe 13
80339 München / DE
Former [2011/27]Kreuz, Georg Maria
Huawei Technologies Riesstrasse 25
80992 München / DE
Application number, filing date09812643.602.09.2009
[2011/27]
WO2009CN73691
Priority number, dateCN2008121190009.09.2008         Original published format: CN200810211900
[2011/27]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2010028577
Date:18.03.2010
Language:ZH
[2010/11]
Type: A1 Application with search report 
No.:EP2341643
Date:06.07.2011
Language:EN
[2011/27]
Search report(s)International search report - published on:CN18.03.2010
(Supplementary) European search report - dispatched on:EP16.05.2012
ClassificationIPC:H04B10/155, H01S5/0687, H01S5/40
[2012/24]
CPC:
H04B10/572 (EP,US); H01S5/0687 (EP,US); H01S5/4087 (EP,US);
H04B10/506 (EP,US); H01S5/06213 (EP,US)
Former IPC [2011/27]H04B10/18
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   SE,   SI,   SK,   SM,   TR [2011/27]
TitleGerman:VERFAHREN UND VORRICHTUNG FÜR FILTERSPERRE[2011/27]
English:METHOD AND APPARATUS FOR FILTER LOCKING[2011/27]
French:PROCÉDÉ ET APPAREIL DE VERROUILLAGE DE FILTRE[2011/27]
Entry into regional phase06.04.2011Translation filed 
06.04.2011National basic fee paid 
06.04.2011Search fee paid 
06.04.2011Designation fee(s) paid 
06.04.2011Examination fee paid 
Examination procedure06.04.2011Amendment by applicant (claims and/or description)
06.04.2011Examination requested  [2011/27]
04.12.2012Application withdrawn by applicant  [2013/02]
Fees paidRenewal fee
30.09.2011Renewal fee patent year 03
01.10.2012Renewal fee patent year 04
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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[I]CN1976262  (HUAWEI TECH CO LTD [CN]) [I] 1-10 * the whole document *;
 EP2091161  [ ] (HUAWEI TECH CO LTD [CN]) [ ] * abstract * * paragraphs [0026] - [0033] * * paragraphs [0044] - [0056] * * figure 3 *;
 [I]GB2170370  (BRITISH TELECOMM) [I] 1-10 * abstract * * page 2, lines 27-130 * * figure 1 *;
 [I]WO9908350  (TADIRAN TELECOMMUNICATIONS LTD [IL], et al) [I] 1-10 * abstract * * page 11, line 28 - page 12, line 16 * * figure 1 *;
 [I]US4839614  (HILL GODFREY R [GB], et al) [I] 1-10 * abstract * * column 3, line 18 - column 5, line 11 * * figures 1, 4 *;
 [I]US2007014509  (KISH FRED A JR [US], et al) [I] 1-10 * abstract * * paragraph [0175] * * figure 9 *;
 [I]CN101247199  (HUAWEI TECH CO LTD [CN]) [I] 1-10 * the whole document *;
 US2009232493  [ ] (TU MINHAI [CN]) [ ] * abstract * * paragraph [0057] * * figures 3-5 *
International search[A]US2005094685  (COLIN SYLVAIN M [US], et al);
 [A]CN101057424  (ZTE CORP [CN]);
 [X]CN101247199  (HUAWEI TECH CO LTD [CN]);
 [A]  - CAI, HU ET AL., "Time Division Sub-carrier Semiconductor DFB Laser Multi-wavelength ocker", CHINESE JOURNAL OF QUANTUM ELECTRONICS, (200312), vol. 20, no. 6, pages 711 - 714, XP008146341
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.