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Expired European patentEurope

Optical fibre transmission cable, method and apparatus for its production

EP 0248935 B1 · Applicant: Kabelwerke Brugg A.-G.

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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 June 13, 1986 and granted July 26, 1989. A European patent lasts at most 20 years from filing, so its term ended June 13, 2006.
  • 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 December 13, 2011.
  • 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.
FiledJune 13, 1986
PublishedDecember 16, 1987
GrantedJuly 26, 1989
Term endedJune 13, 2006
Application numberEP 86108109
Classification (CPC)G02B6/4407 +2 more

Timeline

Timeline From EPO dates

1987198919911993199519971999200120032005Application filedJune 13, 1986PublishedDec 16, 1987Patent grantedJuly 26, 1989Term endedJune 13, 2006

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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