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Expired European patentEurope

Laser beam trimmed thick film resistor and method of trimming thick film resistor

EP 0136094 B1 · Applicant: VICTOR COMPANY OF JAPAN, LIMITED

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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 August 28, 1984 and granted July 27, 1988. A European patent lasts at most 20 years from filing, so its term ended August 28, 2004.
  • 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 February 28, 2010.
  • 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.
FiledAugust 28, 1984
PublishedApril 3, 1985
GrantedJuly 27, 1988
Term endedAugust 28, 2004
Application numberEP 84305863
Classification (CPC)H01C17/006 +2 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedAug 28, 1984PublishedApril 3, 1985Patent grantedJuly 27, 1988Term endedAug 28, 2004

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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