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Expired European patentEurope

Two part adapter for connection of an electrical apparatus by plug and socket

EP 0505256 B1 · Applicant: LEGRAND

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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 16, 1992 and granted December 28, 1994. A European patent lasts at most 20 years from filing, so its term ended March 16, 2012.
  • 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 16, 2017.
  • 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 16, 1992
PublishedSeptember 23, 1992
GrantedDecember 28, 1994
Term endedMarch 16, 2012
Application numberEP 92400690
Classification (CPC)H01R31/06

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedMarch 16, 1992PublishedSep 23, 1992Patent grantedDec 28, 1994Term endedMarch 16, 2012

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.