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Extract from the Register of European Patents

EP About this file: EP4151874

EP4151874 - DEEP GROOVE BALL BEARING HAVING CAGE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  29.05.2025
Database last updated on 10.03.2026
FormerThe patent has been granted
Status updated on  20.06.2024
FormerGrant of patent is intended
Status updated on  21.03.2024
FormerRequest for examination was made
Status updated on  17.02.2023
FormerThe international publication has been made
Status updated on  06.01.2023
Formerunknown
Status updated on  14.12.2022
Most recent event   Tooltip30.01.2026Lapse of the patent in a contracting state
New state(s): CY		published on 04.03.2026  [2026/10]
Applicant(s)For all designated states
C&U Company Limited.
N°515, 5th Binhai Street
Economic & Technological Development Zone
WenZhou City, Zhejiang 325011 / CN
[2023/12]
Inventor(s)01 / BAI, Xuefeng
WenZhou City, Zhejiang 325011 / CN
02 / XU, Jialiang
WenZhou City, Zhejiang 325011 / CN
03 / LIU, Lizhao
WenZhou City, Zhejiang 325011 / CN
 [2024/26]
Former [2023/12]01 / BAILI, Xuefeng
WenZhou City, Zhejiang 325011 / CN
02 / XU, Jialiang
WenZhou City, Zhejiang 325011 / CN
03 / LIU, Lizhao
WenZhou City, Zhejiang 325011 / CN
Representative(s)Bayramoglu et al.
Mira Office
Kanuni Sultan Süleyman Boulevard 5387
Street Beytepe, floor 12, no:50
06800 Cankaya, Ankara / TR
[2023/12]
Application number, filing date21944421.316.09.2021
[2023/12]
WO2021CN118719
Priority number, dateCN20211073697430.06.2021         Original published format: CN202110736974
[2023/12]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023272954
Date:05.01.2023
Language:ZH
[2023/01]
Type: A1 Application with search report 
No.:EP4151874
Date:22.03.2023
Language:EN
[2023/12]
Type: B1 Patent specification 
No.:EP4151874
Date:24.07.2024
Language:EN
[2024/30]
Search report(s)International search report - published on:CN05.01.2023
(Supplementary) European search report - dispatched on:EP30.10.2023
ClassificationIPC:F16C33/38, F16C33/44, F16C33/58, F16C33/66, F16C33/78, F16C37/00, F16C19/16, F16C19/06
[2023/12]
CPC:
F16C33/3875 (EP,CN,US); F16C33/3862 (CN); F16C19/06 (EP);
F16C19/16 (EP,CN,US); F16C33/44 (CN); F16C33/583 (CN,US);
F16C33/664 (CN); F16C33/6648 (EP,CN); F16C33/6651 (US);
F16C33/7806 (EP,CN); F16C33/783 (CN); F16C37/007 (CN);
F16C2208/04 (EP,CN,US); F16C2208/36 (EP,CN); F16C2208/62 (EP,CN,US);
F16C2220/04 (EP); F16C2226/70 (CN,US); F16C2226/74 (EP);
F16C2226/76 (EP); F16C2380/26 (CN); Y02T10/86 (EP) (-)
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 [2023/12]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:RILLENKUGELLAGER MIT KÄFIG[2023/12]
English:DEEP GROOVE BALL BEARING HAVING CAGE[2023/12]
French:ROULEMENT À BILLES À GORGES PROFONDES COMPORTANT UNE CAGE[2023/12]
Entry into regional phase13.12.2022Translation filed 
13.12.2022National basic fee paid 
13.12.2022Search fee paid 
13.12.2022Designation fee(s) paid 
13.12.2022Examination fee paid 
Examination procedure13.12.2022Examination requested  [2023/12]
30.01.2024Amendment by applicant (claims and/or description)
30.01.2024Date on which the examining division has become responsible
22.03.2024Communication of intention to grant the patent
13.06.2024Fee for grant paid
13.06.2024Fee for publishing/printing paid
13.06.2024Receipt of the translation of the claim(s)
Opposition(s)25.04.2025No opposition filed within time limit [2025/27]
Fees paidRenewal fee
16.08.2023Renewal fee patent year 03
Opt-out from the exclusive  Tooltip
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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.
Lapses during opposition  TooltipCY16.09.2021
CZ24.07.2024
ES24.07.2024
HR24.07.2024
MC24.07.2024
PL24.07.2024
RO24.07.2024
SK24.07.2024
SM24.07.2024
IE16.09.2024
CH30.09.2024
NO24.10.2024
RS24.10.2024
IS24.11.2024
[2026/10]
Former [2025/36]CZ24.07.2024
ES24.07.2024
HR24.07.2024
MC24.07.2024
PL24.07.2024
RO24.07.2024
SK24.07.2024
SM24.07.2024
IE16.09.2024
CH30.09.2024
NO24.10.2024
RS24.10.2024
IS24.11.2024
Former [2025/35]CZ24.07.2024
ES24.07.2024
HR24.07.2024
MC24.07.2024
PL24.07.2024
RO24.07.2024
SK24.07.2024
SM24.07.2024
CH30.09.2024
NO24.10.2024
RS24.10.2024
IS24.11.2024
Former [2025/23]CZ24.07.2024
ES24.07.2024
HR24.07.2024
MC24.07.2024
PL24.07.2024
RO24.07.2024
SK24.07.2024
SM24.07.2024
NO24.10.2024
RS24.10.2024
IS24.11.2024
Former [2025/11]ES24.07.2024
HR24.07.2024
PL24.07.2024
NO24.10.2024
RS24.10.2024
IS24.11.2024
Former [2025/09]PL24.07.2024
NO24.10.2024
IS24.11.2024
Former [2025/08]PL24.07.2024
NO24.10.2024
Documents cited:Search[A] JP2020133663  (NTN TOYO BEARING CO LTD et al.) [A] 1-6 * figures 9,1 *
 [I] CN204692379  (WUXI HUAYANG ROLLING BEARING CO LTD et al.) [I] 2-5 * figure 4 *
 [X] CN204553567  (HANGZHOU C & U BEARING CO LTD et al.) [X] 2-5 * figure 2 *
 [X] CN209469714  (C & U GROUP LTD et al.) [X] 2-5 * figures 1-5 *
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.