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Expired European patentEurope

Waveguide to coaxial adaptor and converter for antenna for satellite broadcasting including such waveguide

EP 0552944 B1 · Applicant: SHARP KABUSHIKI KAISHA

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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 21, 1993 and granted March 19, 1997. A European patent lasts at most 20 years from filing, so its term ended January 21, 2013.
  • 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 July 21, 2018.
  • 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 21, 1993
PublishedJuly 28, 1993
GrantedMarch 19, 1997
Term endedJanuary 21, 2013
Application numberEP 93300406
Classification (CPC)H01P1/161

Timeline

Timeline From EPO dates

1994199619982000200220042006200820102012Application filedJan 21, 1993PublishedJuly 28, 1993Patent grantedMarch 19, 1997Term endedJan 21, 2013

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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