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Expired European patentEurope

Horizontal synchronizing circuit

EP 0059762 B1 · Applicant: SANYO ELECTRIC CO., LTD.

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 11, 1981 and granted December 28, 1988. A European patent lasts at most 20 years from filing, so its term ended September 11, 2001.
  • 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 11, 2007.
  • 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 11, 1981
PublishedSeptember 15, 1982
GrantedDecember 28, 1988
Term endedSeptember 11, 2001
Application numberEP 81902592
Classification (CPC)H04N5/06 +1 more

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedSep 11, 1981PublishedSep 15, 1982Patent grantedDec 28, 1988Term endedSep 11, 2001

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.