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Expired European patentEurope

Non-positive-displacement machine and rotor for a non-positive-displacement machine

EP 1725741 B1 · Applicant: SIEMENS AKTIENGESELLSCHAFT

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed March 10, 2005 and granted September 24, 2014. A European patent lasts at most 20 years from filing, so its term ended March 10, 2025.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledMarch 10, 2005
PublishedNovember 29, 2006
GrantedSeptember 24, 2014
Term endedMarch 10, 2025
Application numberEP 05715935
Classification (CPC)F01D5/026 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedMarch 10, 2005PublishedNov 29, 2006Patent grantedSep 24, 2014Term endedMarch 10, 2025

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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