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EP 0061144 B1 · Applicant: Weldotron Corporation

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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 March 17, 1982 and granted June 28, 1989. A European patent lasts at most 20 years from filing, so its term ended March 17, 2002.
  • 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 September 17, 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.
FiledMarch 17, 1982
PublishedSeptember 29, 1982
GrantedJune 28, 1989
Term endedMarch 17, 2002
Application numberEP 82102170
Classification (CPC)B65B11/54

Timeline

Timeline From EPO dates

1983198519871989199119931995199719992001Application filedMarch 17, 1982PublishedSep 29, 1982Patent grantedJune 28, 1989Term endedMarch 17, 2002

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.