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Expired European patentEurope

Bellows with a uniform electric conductive layer for a vacuum capacitor

EP 1183697 B1 · Applicant: Comet AG

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Overview

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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 7, 2001 and granted February 20, 2008. A European patent lasts at most 20 years from filing, so its term ended March 7, 2021.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by September 7, 2026.
  • 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 7, 2001
PublishedMarch 6, 2002
GrantedFebruary 20, 2008
Term endedMarch 7, 2021
Application numberEP 01907306
Classification (CPC)H01G5/00

Timeline

Timeline From EPO dates

2002200420062008201020122014201620182020Application filedMarch 7, 2001PublishedMarch 6, 2002Patent grantedFeb 20, 2008Term endedMarch 7, 2021

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.