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Extract from the Register of European Patents

EP About this file: EP4186993

EP4186993 - PISTON MANUFACTURING METHOD AND PISTON [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  28.04.2023
Database last updated on 17.07.2024
FormerThe international publication has been made
Status updated on  28.01.2022
Most recent event   Tooltip29.12.2023New entry: Renewal fee paid 
Applicant(s)For all designated states
Weichai Power Co., Ltd.
197 A, Fushou East Street
High-Tech Development Zone
Weifang, Shandong 261061 / CN
[2023/22]
Inventor(s)01 / MA, Fei
Weifang, Shandong 261061 / CN
02 / HAN, Jinfeng
Weifang, Shandong 261061 / CN
03 / QI, Shaobao
Weifang, Shandong 261061 / CN
04 / GUO, Lingyan
Weifang, Shandong 261061 / CN
 [2023/22]
Representative(s)Zacco Sweden AB
P.O. Box 5581
Löjtnantsgatan 21
114 85 Stockholm / SE
[2023/22]
Application number, filing date20946075.707.12.2020
[2023/22]
WO2020CN134197
Priority number, dateCN20201071728623.07.2020         Original published format: CN202010717286
[2023/22]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022016775
Date:27.01.2022
Language:ZH
[2022/04]
Type: A1 Application with search report 
No.:EP4186993
Date:31.05.2023
Language:EN
[2023/22]
Search report(s)International search report - published on:CN27.01.2022
ClassificationIPC:C23C28/00, C23C14/16, C23C14/35, C25D11/26, F02F3/12
[2023/22]
CPC:
C23C28/322 (EP); C23C28/321 (CN); C23C14/165 (EP,CN);
C23C14/35 (CN); C23C14/352 (EP); C23C14/5853 (EP);
C23C28/3455 (EP,CN); C25D11/026 (EP,CN); C25D11/04 (EP);
C25D11/26 (EP,CN); F02F3/12 (EP,CN) (-)
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 [2023/22]
TitleGerman:KOLBENHERSTELLUNGSVERFAHREN UND KOLBEN[2023/22]
English:PISTON MANUFACTURING METHOD AND PISTON[2023/22]
French:PROCÉDÉ DE FABRICATION DE PISTON ET PISTON[2023/22]
Entry into regional phase13.02.2023Translation filed 
13.02.2023National basic fee paid 
13.02.2023Search fee paid 
13.02.2023Designation fee(s) paid 
13.02.2023Examination fee paid 
Examination procedure13.02.2023Examination requested  [2023/22]
Fees paidRenewal fee
13.02.2023Renewal fee patent year 03
28.12.2023Renewal fee patent year 04
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