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Extract from the Register of European Patents

EP About this file: EP3894758

EP3894758 - AIR PURIFIER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  19.07.2024
Database last updated on 01.01.2025
FormerThe patent has been granted
Status updated on  11.08.2023
FormerGrant of patent is intended
Status updated on  30.05.2023
FormerExamination is in progress
Status updated on  04.02.2022
FormerRequest for examination was made
Status updated on  17.09.2021
FormerThe international publication has been made
Status updated on  20.06.2020
Formerunknown
Status updated on  13.12.2019
Most recent event   Tooltip25.10.2024Lapse of the patent in a contracting state
New state(s): CH
published on 27.11.2024  [2024/48]
Applicant(s)For all designated states
Blueair AB
Karlavägen 108
115 26 Stockholm / SE
[2021/42]
Inventor(s)01 / HADDING DELIN, Lars Johan Wilhelm
Vindragarvägen 10
117 50 Stockholm / SE
02 / DUNBERGER, Lars Henrik
BlueAir AB Karlavägen 108
115 26 Stockholm / SE
03 / SACK, Stefan
Varmfrontsgatan 4
12834 Stockholm / SE
 [2021/42]
Representative(s)Newbould, Frazer Anthony
Unilever Patent Group
Bronland 14
6708 WH Wageningen / NL
[2023/37]
Former [2021/42]Newbould, Frazer Anthony
Unilever PLC
Unilever Patent Group
Bronland 14
6708 WH Wageningen / NL
Application number, filing date19813536.004.12.2019
[2021/42]
WO2019EP83726
Priority number, dateEP2018021192412.12.2018         Original published format: EP 18211924
[2021/42]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020120263
Date:18.06.2020
Language:EN
[2020/25]
Type: A1 Application with search report 
No.:EP3894758
Date:20.10.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 18.06.2020 takes the place of the publication of the European patent application.
[2021/42]
Type: B1 Patent specification 
No.:EP3894758
Date:13.09.2023
Language:EN
[2023/37]
Search report(s)International search report - published on:EP18.06.2020
ClassificationIPC:F24F13/28, F24F3/16, B01D46/00, B01D45/16, F24F7/06, F24F7/007, F24F8/108, F24F8/158
[2023/22]
CPC:
F24F13/28 (EP,KR); F24F7/003 (KR,US); B01D46/0036 (US);
B01D46/10 (US); B01D53/04 (US); F24F7/007 (EP,KR);
F24F7/06 (EP,KR); F24F8/108 (EP,KR,US); F24F8/158 (EP,KR,US);
B01D2253/102 (US); B01D2259/4508 (US); B01D2275/40 (EP,KR);
B01D2279/50 (US); F24F8/10 (EP) (-)
Former IPC [2021/42]F24F13/28, F24F7/007, F24F7/06, B01D45/16, B01D46/00, F24F3/16
Designated contracting statesAL,   AT,   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,   RS,   SE,   SI,   SK,   SM,   TR [2021/42]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:LUFTREINIGER[2021/42]
English:AIR PURIFIER[2021/42]
French:PURIFICATEUR D'AIR[2021/42]
Entry into regional phase24.05.2021National basic fee paid 
24.05.2021Designation fee(s) paid 
24.05.2021Examination fee paid 
Examination procedure24.05.2021Examination requested  [2021/42]
24.05.2021Date on which the examining division has become responsible
04.02.2022Despatch of a communication from the examining division (Time limit: M04)
09.05.2022Reply to a communication from the examining division
31.05.2023Communication of intention to grant the patent
07.08.2023Fee for grant paid
07.08.2023Fee for publishing/printing paid
07.08.2023Receipt of the translation of the claim(s)
Opposition(s)14.06.2024No opposition filed within time limit [2024/34]
Fees paidRenewal fee
24.12.2021Renewal fee patent year 03
29.12.2022Renewal fee patent year 04
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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.
Lapses during opposition  TooltipCZ13.09.2023
ES13.09.2023
HR13.09.2023
MC13.09.2023
PL13.09.2023
RO13.09.2023
RS13.09.2023
SK13.09.2023
SM13.09.2023
IE04.12.2023
NO13.12.2023
GR14.12.2023
CH31.12.2023
IS13.01.2024
[2024/48]
Former [2024/46]CZ13.09.2023
ES13.09.2023
HR13.09.2023
MC13.09.2023
PL13.09.2023
RO13.09.2023
RS13.09.2023
SK13.09.2023
SM13.09.2023
IE04.12.2023
NO13.12.2023
GR14.12.2023
IS13.01.2024
Former [2024/40]CZ13.09.2023
ES13.09.2023
HR13.09.2023
MC13.09.2023
PL13.09.2023
RO13.09.2023
RS13.09.2023
SK13.09.2023
SM13.09.2023
NO13.12.2023
GR14.12.2023
IS13.01.2024
Former [2024/25]CZ13.09.2023
ES13.09.2023
HR13.09.2023
PL13.09.2023
RO13.09.2023
RS13.09.2023
SK13.09.2023
SM13.09.2023
NO13.12.2023
GR14.12.2023
IS13.01.2024
Former [2024/23]CZ13.09.2023
ES13.09.2023
HR13.09.2023
RO13.09.2023
RS13.09.2023
SK13.09.2023
SM13.09.2023
NO13.12.2023
GR14.12.2023
IS13.01.2024
Former [2024/20]HR13.09.2023
RS13.09.2023
SM13.09.2023
NO13.12.2023
GR14.12.2023
IS13.01.2024
Former [2024/11]HR13.09.2023
RS13.09.2023
NO13.12.2023
GR14.12.2023
Former [2024/08]NO13.12.2023
GR14.12.2023
Cited inInternational search[A]JPS5417507U  ;
 [A]JPH11182918  (KAWAI MUSICAL INSTR MFG CO);
 [A]US2005039600  (LIM CHANG-SU [KR], et al);
 [AD]US2006191415  (JOHNSON RICHARD C [US]);
 [AD]CN205372827U
ExaminationEP2711643
by applicantUS2006191415
 CN205372827U
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.