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Expired European patentEurope

Measuring system based on the triangulation principle for the dimensional inspection of an object

EP 0134597 B1 · Applicant: B.V. Optische Industrie "De Oude Delft"

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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 21, 1984 and granted June 14, 1989. A European patent lasts at most 20 years from filing, so its term ended June 21, 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 December 21, 2009.
  • 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 21, 1984
PublishedMarch 20, 1985
GrantedJune 14, 1989
Term endedJune 21, 2004
Application numberEP 84200902
Classification (CPC)G01B11/24 +1 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedJune 21, 1984PublishedMarch 20, 1985Patent grantedJune 14, 1989Term endedJune 21, 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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