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Expired European patentEurope

Method and means for drying

EP 0401317 B1 · Applicant: CEDERSTROM, Rolf V

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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 October 23, 1989 and granted January 17, 1996. A European patent lasts at most 20 years from filing, so its term ended October 23, 2009.
  • 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 April 23, 2015.
  • 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.
FiledOctober 23, 1989
PublishedDecember 12, 1990
GrantedJanuary 17, 1996
Term endedOctober 23, 2009
Application numberEP 89912016
Classification (CPC)F26B21/30

Timeline

Timeline From EPO dates

1990199219941996199820002002200420062008Application filedOct 23, 1989PublishedDec 12, 1990Patent grantedJan 17, 1996Term endedOct 23, 2009

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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