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Expired European patentEurope

Device for regulating the air blast demand of the air nozzles of a sheet feeder in a rotary printing machine

EP 0503623 B1 · Applicant: Koenig & Bauer Aktiengesellschaft

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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 12, 1992 and granted June 1, 1994. A European patent lasts at most 20 years from filing, so its term ended March 12, 2012.
  • 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 12, 2017.
  • 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 12, 1992
PublishedSeptember 16, 1992
GrantedJune 1, 1994
Term endedMarch 12, 2012
Application numberEP 92104272
Classification (CPC)B65H3/48

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedMarch 12, 1992PublishedSep 16, 1992Patent grantedJune 1, 1994Term endedMarch 12, 2012

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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