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Expired European patentEurope

Method of traffic switching in a low orbit satellite communication system with terminals as destination and communication system using this method

EP 0536033 B1 · Applicant: ALCATEL ESPACE

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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 September 28, 1992 and granted April 2, 1997. A European patent lasts at most 20 years from filing, so its term ended September 28, 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 March 28, 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.
FiledSeptember 28, 1992
PublishedApril 7, 1993
GrantedApril 2, 1997
Term endedSeptember 28, 2012
Application numberEP 92402651
Classification (CPC)H04B7/18541

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedSep 28, 1992PublishedApril 7, 1993Patent grantedApril 2, 1997Term endedSep 28, 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

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