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Expired European patentEurope

Vacuum pumping system and method of operation

EP 1844237 B1 · Applicant: Edwards Limited

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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 January 23, 2006 and granted November 18, 2015. A European patent lasts at most 20 years from filing, so its term ended January 23, 2026.
  • 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.
FiledJanuary 23, 2006
PublishedOctober 17, 2007
GrantedNovember 18, 2015
Term endedJanuary 23, 2026
Application numberEP 06701044
Classification (CPC)F04C14/08 +2 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedJan 23, 2006PublishedOct 17, 2007Patent grantedNov 18, 2015Term endedJan 23, 2026

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.